Amendment Flag
Current Fiscal Year End Date
Document Period End Date
Entity [Domain]
Entity Well-known Seasoned Issuer
Entity Voluntary Filers
Entity Current Reporting Status
Entity Filer Category
Entity Registrant Name
Entity Central Index Key
Entity Common Stock, Shares Outstanding
Document Fiscal Year Focus
Document Fiscal Period Focus
Entity by Location [Axis]
Location [Domain]
Legal Entity [Axis]
Document Type
Award Type [Axis]
Accounts receivable (less allowance for doubtful accounts of $145,000)
Accounts payable
Accrued expenses
Income taxes payable
Accumulated other comprehensive (loss), net of tax
Additional paid-in capital
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Accounts receivables, allowance for doubtful accounts
Bond (discount) premium amortization
Antidilutive Securities [Axis]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities, Name [Domain]
Antidilutive securities excluded from computation of income (loss) per share (in shares)
TOTAL ASSETS
Assets
Current assets:
Assets, Current [Abstract]
ASSETS
Assets [Abstract]
Total current assets
Assets, Current
Available-for-sale marketable securities
Unrealized Holding Gain (loss)
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax
Fair Value
Adjusted Cost
Basis of Presentation and Summary of Significant Accounting Policies
Basis of Presentation and Significant Accounting Policies [Text Block]
Cash Equivalents
Cash and Cash Equivalents, Policy [Policy Text Block]
NET INCREASE IN CASH AND CASH EQUIVALENTS
Cash and Cash Equivalents, Period Increase (Decrease)
Cash and cash equivalents - Beginning of period
CASH AND CASH EQUIVALENTS - End of period
Cash and cash equivalents
Class Of Treasury Stock [Table]
Common stock, par value (in dollars per share)
Common stock - $.10 par value, 10,000,000 shares authorized, 5,223,000 and 5,232,000 shares issued at June 30, 2014 and December 31, 2013, respectively, and 4,485,000 and 4,521,000 shares outstanding at June 30, 2014 and December 31, 2013, respectively
Common stock, issued (in shares)
Common stock, authorized (in shares)
Common stock, outstanding (in shares)
Comprehensive (loss) income
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Comprehensive Income (loss)
Comprehensive Income, Policy [Policy Text Block]
Consolidation Items [Domain]
Consolidation Items [Axis]
Corporate Bonds [Member]
Cost of sales
Cost of Goods Sold
Cost of Sales [Abstract]
Credit Facility [Axis]
Credit Facility [Domain]
Customer advances
Description of variable rate basis
Debt Instrument [Line Items]
Schedule of Long-term Debt Instruments [Table]
Debt [Abstract]
Debt
Debt Disclosure [Text Block]
Date of maturity of loan
Debt Instrument, Maturity Date
Deferred Rent
Depreciation and amortization
Stock Based Compensation
Disclosure of Compensation Related Costs, Share-based Payments [Text Block]
Stock Based Compensation [Abstract]
Net (Loss) Income Per Common Share
Earnings Per Share [Text Block]
Basic (in dollars per share)
Diluted (in dollars per share)
Net (loss) income per common share:
Net (Loss) Income Per Common Share [Abstract]
Stock Options [Member]
Stock Options [Member]
Employee Stock Option [Member]
Unearned compensation cost associated with restricted stock awards
Vesting period for amortization of unearned compensation related to nonvested awards
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition
Equity [Abstract]
Equity, Class Of Treasury Stock [Line Items]
Recurring [Member]
Measurement Frequency [Axis]
Fair Value, Hierarchy [Axis]
Fair Value Measurements, Recurring and Nonrecurring [Table]
Fair Value, Measurement Frequency [Domain]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value of Financial Instruments [Abstract]
Fair Value, Measurements, Fair Value Hierarchy [Domain]
Fair Value of Financial Instruments
Fair Value Disclosures [Text Block]
Level 2 [Member]
Level 1 [Member]
Level 3 [Member]
Loss on disposal of property and equipment
Gain (Loss) on Disposition of Property Plant Equipment
Net Carrying Value
Goodwill
Goodwill
Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block]
Goodwill
Goodwill Disclosure [Text Block]
Accumulated Impairment
Goodwill, Impaired, Accumulated Impairment Loss
Gross Carrying Value
Goodwill [Abstract]
Gross profit
Gross Profit
Intersegment sales [Member]
Long-Lived Assets
Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block]
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) (unaudited) [Abstract]
Income Taxes [Abstract]
Income tax provision
State income and federal minimum tax expense
Income Taxes
Income Tax Disclosure [Text Block]
Cash paid for income taxes
Income Taxes
Income Tax, Policy [Policy Text Block]
Accounts receivable
Increase (Decrease) in Accounts Receivable
Income taxes payable
Increase (Decrease) in Income Taxes Payable
Costs and estimated earnings in excess of billings on uncompleted contracts
Increase (Decrease) in Contract Receivables, Net
Accounts payable
Increase (Decrease) in Accounts Payable
Other current assets
Increase (Decrease) in Other Current Assets
Other liabilities
Increase (Decrease) in Other Noncurrent Liabilities
Accrued expenses
Increase (Decrease) in Accrued Liabilities
Other assets
Increase (Decrease) in Other Noncurrent Assets
Customer advances
Increase (Decrease) in Customer Advances
Changes in operating assets and liabilities:
Inventories
Increase (Decrease) in Inventories
Interest expense
Interest expense
Cash paid for interest
TOTAL
Inventories
Components of Inventories [Abstract]
Inventories
Inventory, Policy [Policy Text Block]
Finished goods
Raw Materials
Inventory, Raw Materials, Net of Reserves
Inventories
Inventory Disclosure [Text Block]
Inventories [Abstract]
Work-in-process
Investment and other (income) expense, net
Investment and other income (expense), net
Investment Income, Nonoperating
Marketable Securities
Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]
LIBOR [Member]
London Interbank Offered Rate (LIBOR) [Member]
Leasehold Improvement [Member]
Leasehold Improvements [Member]
Total current liabilities
Liabilities, Current
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY
Liabilities and Equity
Current liabilities:
Total liabilities
Liabilities
LIABILITIES AND STOCKHOLDERS' EQUITY
Outstanding borrowings under line of credit facility
Borrowing capacity under line of credit facility
Line of Credit [Member]
Interest rate (in hundredths)
Line of Credit
Line of Credit
Long-term Line of Credit, Noncurrent
Major Types of Debt and Equity Securities [Axis]
Major Types of Debt and Equity Securities [Domain]
Marketable Securities [Abstract]
(Gain) loss on sale of marketable securities
Marketable Securities, Realized Gain (Loss)
Marketable Securities
Marketable Securities, Available-for-sale Securities, Policy [Policy Text Block]
Investments in marketable securities
General Corporate Not Allocated [Member]
Maximum [Member]
Minimum [Member]
NET (LOSS) INCOME
Net (loss) income
Cash flows from financing activities:
Net cash provided by operating activities
Net Cash Provided by (Used in) Operating Activities, Continuing Operations
Net cash used in financing activities
Net Cash Provided by (Used in) Financing Activities, Continuing Operations
Cash flows from investing activities:
Cash flows from operating activities:
Net cash used in investing activities
Net Cash Provided by (Used in) Investing Activities, Continuing Operations
Number of business segments
Reportable Segments [Member]
Basis of Presentation and Summary of Significant Accounting Policies [Abstract]
Other assets
Other current assets
Change in unrealized gains on marketable securities, net of income tax
Other liabilities
Other Liabilities, Noncurrent
Other comprehensive Income (loss):
Prime Rate [Member]
Prime Rate [Member]
Purchase of treasury stock
Payments for Repurchase of Common Stock
Payments for repurchase of common stock
Payments for Repurchase of Equity
Property and Equipment [Abstract]
Purchases of property and equipment
Payments to Acquire Property, Plant, and Equipment
Sale of marketable securities
Property and Equipment
Property, Plant and Equipment, Policy [Policy Text Block]
Estimated useful life
Property and equipment, net
Property, Plant and Equipment [Line Items]
Range [Axis]
Range [Domain]
Repayments of long-term debt
Repayments of Long-term Debt
Repayments of note payable - bank
Repayments of Notes Payable
Restricted Stock Awards [Member]
Restricted Stock [Member]
Accelerated non-cash amortization expense on leasehold improvements
Consolidation of Operations
Restructuring and Related Activities Disclosure [Text Block]
Restructuring Cost and Reserve [Line Items]
Accumulated deficit
Revenue and Cost Recognition [Abstract]
Revenue and Cost Recognition
Revenue Recognition, Policy [Policy Text Block]
Aggregate intrinsic value of options exercisable
Options outstanding and exercisable at end of year
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term
Options outstanding at beginning of year
Options outstanding at end of year
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term
Net sales
Net sales
Schedule of Available-for-sale Securities [Table]
Assets and liabilities measured at fair value on a recurring basis
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table]
Stock option activity
Nonvested restricted stock activity
Computation of basic and diluted net loss per common share
Composition of Inventories
Schedule of Available-for-sale Securities [Line Items]
Schedule of goodwill
Schedule of segment reporting information
Schedule of Restructuring and Related Costs [Table]
Schedule of Property, Plant and Equipment [Table]
Schedule of Segment Reporting Information, by Segment [Table]
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Income (Loss) before income tax provision:
Segment Reporting Information, Income (Loss) before Income Taxes [Abstract]
Business Segments [Abstract]
Business segment information [Abstract]
Segment Reporting Information [Line Items]
Segment [Domain]
Business Segments
Segment Reporting Disclosure [Text Block]
Selling, general and administrative expenses
Number of Shares [Roll Forward]
Weighted Average Exercise Price [Roll Forward]
Granted (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period
Granted (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value
Granted (in dollars per share)
Share Repurchase Program [Axis]
Forfeited (in dollars per share)
Unvested portion of restricted stock (in shares)
Nonvested awards at beginning of period (in shares)
Nonvested awards at end of period (in shares)
Share-based compensation expense
Vested (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period
Weighted-Average Grant-Date Fair Value [Roll Forward]
Granted (in shares)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Nonvested awards at end of period (in dollars per share)
Nonvested awards at beginning of period (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value
Share Repurchase Program [Domain]
Forfeited (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value
Forfeited (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period
Exercised (in dollars per share)
Options exercisable at end of year (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price
Forfeited (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period
Vested (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value
Options exercisable at end of year (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number
Options outstanding at beginning of year (in dollars per share)
Options outstanding at end of year (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price
Options outstanding at end of year (in shares)
Options outstanding at beginning of year (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number
Aggregate intrinsic value of options outstanding
Number of Shares [Roll Forward]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Award Type [Domain]
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) [Abstract]
CONDENSED CONSOLIDATED BALANCE SHEETS (unaudited) [Abstract]
Business Segments [Axis]
Common stock authorized to be repurchased
Stock Repurchase Program, Authorized Amount
Common stock repurchased (in shares)
Exercised (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period
STOCKHOLDERS' EQUITY
Total stockholders' equity
Stockholders' Equity Attributable to Parent
Equity
Stockholders' Equity Note Disclosure [Text Block]
Supplemental cash flow information:
Allowance for Doubtful Accounts
Trade and Other Accounts Receivable, Policy [Policy Text Block]
Treasury stock, at cost (in shares)
Average purchase price of common stock repurchased (in dollars per share)
Treasury stock, at cost, 738,000 and 711,000 shares at June 30, 2014 and December 31, 2013, respectively
Treasury Stock, Value
Material uncertain tax positions
Unrecognized Tax Benefits that Would Impact Effective Tax Rate
Variable Rate [Domain]
Variable Rate [Axis]
Computation of basic and diluted net income loss per common share [Abstract]
Effect of dilutive securities [Abstract]
Incremental Weighted Average Shares Attributable to Dilutive Effect [Abstract]
Denominator for basic net (loss) income per share - weighted-average common shares (in shares)
Basic (in shares)
Denominator for diluted net (loss) income per share - weighted-average common shares and assumed conversion (in shares)
Diluted (in shares)
Domestic [Member]
Weighted average number of common shares outstanding: [Abstract]
Weighted average number of common shares outstanding:
Refers to minimum liquidity requirement for borrowing base to be maintained by the entity.
Minimum liquidity requirement for borrowing base
Refers to minimum consolidated tangible net worth required to be maintained by the entity.
Minimum consolidated tangible net worth required to be maintained
Information about maturity period of LIBOR.
Maturity Period Libor [Axis]
Information about maturity period of LIBOR.
Maturity Period Libor [Domain]
Represents the date in which LIBOR is mature.
Maturity Period of Libor Two [Member]
Maturity Period of Libor 2 [Member]
Represents the date in which LIBOR is mature.
Maturity Period of Libor One [Member]
Maturity Period of Libor 1 [Member]
Represents the date in which LIBOR is mature.
Maturity Period of Libor Three [Member]
Maturity Period of Libor 3 [Member]
Represents the period of maturity relating to loan, i.e., period within which the principal along with interest pertaining to loan needs to be repaid.
Period of Maturity of Loan
Maturity period of loan
Refers to the variable portion of interest rate for debt instruments.
Variable Interest Rate
Variable interest rate (in hundredths)
Reacquisition of capital stock by the entity for purposes of holding it in treasury until reissuance or retirement, or of reducing outstanding shares.
Repurchase Equity [Member]
Repurchase of Equity [Member]
The amount authorized by an entity's Board of Directors under a stock repurchase program outside of the 10b5-1 plan.
Stock Repurchase Program Outside The Plan Authorized Amount
Common stock authorized to be repurchased outside the plan, maximum
The amount authorized by an entity's Board of Directors under a stock repurchase program through plan.
Stock Repurchase Program Through Plan Authorized Amount
Common stock authorized to be repurchased through plan, maximum
Period of warranty for all units shipped.
Period of warranty
Period of warranty for all units shipped
Accumulated amount of amortization related to goodwill as on date of reporting.
Accumulated Amortization, Goodwill
Accumulated Amortization
Change in carrying value during the period of estimated contractual obligations payable to the company's former chief executive officer and chief operating officer.
Increase Decrease In Estimated Former Officer Compensation Liability
Liability associated with non-renewal of senior officer contract
Represents the financial data (revenue, costs, assets, etc.) attributable to foreign locations (outside US).
Foreign [Member]
A component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. The Power Units Segment is comprised of the Company's Behlman Electronics, Inc. subsidiary and is engaged in the design, manufacture and sale of distortion free commercial power units, power conversion devices and electronic devices for measurement and display.
Power Units Segment [Member]
Power Group [Member]
A component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. The Electronics segment is comprised of the company's Orbit Instrument Division and its TDL and ICS subsidiaries.
Electronics Segment [Member]
Electronics Group [Member]
Nonvested contract that gives the holder the right, but not the obligation, either to purchase or to sell a certain number of shares of stock at a predetermined price for a specified period of time.
Nonvested Stock Options [Member]
Nonvested Stock Options [Member]
Term of share-based payment award.
Share-based Compensation Arrangement by Share based Payment Award, Term
Expiration period after date of grant
Share Based Compensation Arrangement By Share Based Payment Award Nonvested Stock Option Activity [Abstract]
Nonvested stock option activity [Abstract]
Share Based Compensation Arrangement By Share Based Payment Award, Stock Option Activity [Abstract]
Stock option activity [Abstract]
Average Remaining Contractual Term [Abstract]
Average Remaining Contractual Term [Abstract]
Weighted average remaining contractual term for option awards exercised, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.
Share Based Compensation Arrangement By Sharebased Payment Award, Options Exercised, Weighted Average Remaining Contractual Term
Exercised
Weighted average remaining contractual term for option awards granted, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.
Share Based Compensation Arrangement By Sharebased Payment Award, Options, Granted, Weighted Average Remaining Contractual Term
Granted
Weighted average remaining contractual term for option awards forfeited, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.
Share Based Compensation Arrangement By Sharebased Payment Award, Options Forfeited, Weighted Average Remaining Contractual Term
Forfeited
This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents long-term debt securities that are issued by either a domestic or foreign corporate business entity with a date certain promise of repayment and a return to the holder for the time value of money (for example, variable or fixed interest, original issue discount) as of the balance sheet date which have been categorized as available-for-sale.
Corporate Bond Securities, Available for sale, Fair Value Disclosure
Corporate Bonds
Tabular disclosure of the changes in outstanding nonvested stock options.
Schedule Of Nonvested Stock Options Activity [Table Text Block]
Nonvested stock option activity
Denominator [Abstract]
Denominator [Abstract]
Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of restricted stock awards using the treasury stock method.
Incremental Common Shares Attributable To Share Based Payment Arrangements Restricted Stock Awards
Unearned portion of restricted stock awards (in shares)
Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of stock options using the treasury stock method.
Incremental Common Shares Attributable to Share based Payment Arrangements, Stock Options
Employee and director stock options (in shares)
The entire disclosure for cost of sales.
Cost of Sales [Text Block]
Cost of Sales
Carrying amount at the balance sheet date of estimated contractual obligations payable to the company's former chief executive officer and chief operating officer within one year (or within one operating cycle if longer). The liability amount may change based on future legal proceedings.
Liability associated with former chief executive officer, Current Portion
Liability associated with non-renewal of senior officer contract
Carrying amount at the balance sheet date of estimated contractual obligations payable to the company's former chief executive officer and chief operating officer which are expected to be paid after one year or beyond the normal operating cycle, if longer. The liability amount may change based on future legal proceedings.
Estimated Former Officer Compensation Liability Noncurrent
Liability associated with non-renewal of senior officer contract, net of current portion
Document and Entity Information [Abstract]
Consolidation of Operations [Abstract]
Another company which is controlled, directly or indirectly, by its parent. The usual condition for control is ownership of a majority (over 50%) of the outstanding voting stock. The power to control may also exist with a lesser percentage of ownership, for example, by contract, lease, agreement with other stockholders or by court decree.
TDL Development Laboratory Incorporation [Member]
TDL [Member]