CONSOLIDATED BALANCE SHEETS CONSOLIDATED BALANCE SHEETS [Abstract] ASSETS ASSETS [Abstract] Current Assets: Current Assets: [Abstract] Cash and cash equivalents Restricted cash and cash equivalents Certificates of deposit Accounts receivable, net Inventory Prepaid items and other assets Income taxes receivable Deferred income taxes Total Current Assets Property and Equipment, Net Other Assets Other Assets [Abstract] Goodwill Other Assets Total Assets LIABILITIES AND STOCKHOLDERS’ EQUITY LIABILITIES AND STOCKHOLDERS’ EQUITY [Abstract] Current Liabilities: Current Liabilities: [Abstract] Accounts payable Accrued payroll Other accrued expenses Billings in excess of costs and estimated earnings Total Current Liabilities Long-Term Liabilities Long-Term Liabilities [Abstract] Deferred rent Deferred income taxes Total Long-term Liabilities Total Liabilities Stockholders’ Equity Stockholders’ Equity [Abstract] Common stock, 12,000,000 shares authorized; 4,879,632 and 4,704,632 issued and outstanding Additional paid-in capital Retained earnings Accumulated other comprehensive loss Total Stockholders’ Equity Total Liabilities and Stockholders’ Equity Common stock, shares authorized Common stock, shares issued Common stock, shares outstanding CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) (Unaudited) CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) (Unaudited) [Abstract] Net sales and revenues Cost of sales and revenues Gross profit Operating expenses: Operating expenses: [Abstract] Selling, general and administrative expenses Research and development expenses Total operating expenses Operating income Financing income, net Income before income taxes Income tax expense Net income Net income per share: Net income per share: [Abstract] Basic income per share (in Dollars per share) Diluted income per share (in Dollars per share) Comprehensive income: Comprehensive income: [Abstract] Net income Foreign currency translation adjustments, net of tax Comprehensive income CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) [Abstract] Cash Flows from Operating Activities: Cash Flows from Operating Activities: [Abstract] Noncash items included in net income: Noncash items included in net income: [Abstract] Depreciation and amortization Deferred income taxes Stock based compensation (Gain) loss on disposal of property Tax benefit from stock options exercised Change in current assets and liabilities: Change in current assets and liabilities: [Abstract] Accounts receivable Inventory Prepaid items and other assets Income taxes receivable Accounts payable Accrued expenses Billings in excess of costs and estimated earnings Deferred rent Net Cash Provided (Used) by Operating Activities Cash Flows from Investing Activities: Cash Flows from Investing Activities: [Abstract] Restricted cash and cash equivalents Purchase of property and equipment Certificate of deposit Other assets Acquisition and goodwill Proceeds from the sale of property and equipment Net Cash Provided (Used) by Investing Activities Cash Flows from Financing Activities: Cash Flows from Financing Activities: [Abstract] Tax benefit from stock options exercised Proceeds from stock options exercised Net Cash Provided (Used) by Financing Activities Effect of exchange rate changes on cash and cash equivalents Net increase (decrease) in cash and cash equivalents Cash and Cash Equivalents, beginning of period Cash and Cash Equivalents, end of period 1. Description of Business and Basis of Presentation Business Description and Basis of Presentation [Text Block] 2. Significant Accounting Policies Significant Accounting Policies [Text Block] 3. Stock Options Disclosure of Compensation Related Costs, Share-based Payments [Text Block] 4. Earnings Per Share Earnings Per Share [Text Block] 5. Completed Acquisition Business Combination Disclosure [Text Block] Significant Accounting Policies (Abstract) Significant Accounting Policies Use of Estimates, Policy [Policy Text Block] New Accounting Pronouncements, Policy [Policy Text Block] Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block] Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Schedule of option activity Schedule of option activity [Abstract] StockOptionActivity [Domain] Number of shares Number of shares Weigthed average exercise price (in Dollars per share) Weigthed average exercise price (in Dollars per share) Weighted average remaining contractual term Weighted average remaining contractual term Aggregate intrinsic value (in Dollars) Aggregate intrinsic value (in Dollars) Granted Granted (in Dollars per share) Exercised Exercised (in Dollars per share) Exercised (in Dollars) Forfeited or expired Forfeited or expired (in Dollars per share) Exercisable at end of period Exercisable at end of period (in Dollars per share) Exercisable at end of period Exercisable at end of period (in Dollars) The number of non-vested options that are outstanding as of the balance sheet date. Nonvested at end of period The weighted-average price as of the balance sheet date at which the non-vested options are exercisable. Nonvested at end of period (in Dollars per share) Weighted average remaining contractual term for the non-vested options as of the balance sheet date. Nonvested at end of period Schedule of restricted stock units Schedule of restricted stock units [Abstract] RestrictedStock [Domain] Unvested restricted stock units at January 1, 2012 Granted Granted (in Dollars per share) Forfeited Forfeited (in Dollars per share) Vested Vested (in Dollars per share) Unvested restricted stock units at September 30, 2012 Unvested restricted stock units at September 30, 2012 (in Dollars per share) Schedule of earnings per share, basic and diluted Schedule of earnings per share, basic and diluted [Abstract] Net income (in Dollars) Shares used in calculation of income per share: Shares used in calculation of income per share: [Abstract] Basic Effect of dilutive options Diluted Net income per share: Net income per share: [Abstract]0 Basic (in Dollars per share) Diluted (in Dollars per share) StockOptionPlans [Domain] ShareBasedCompensation [Domain] Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted Stock Issued During Period, Shares, Restricted Stock Award, Gross Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent Share-based Compensation Arrangement by Share-based Payment Award, Terms of Award Share-based Compensation (in Dollars) Restricted Stock or Unit Expense (in Dollars) Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Stock Options (in Dollars) Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized (in Dollars) Business Acquisition, Cost of Acquired Entity, Purchase Price Business Acquisition, Purchase Price Allocation, Property, Plant and Equipment Business Acquisition, Purchase Price Allocation, Other Noncurrent Assets Business Acquisition, Purchase Price Allocation, Current Liabilities, Other Liabilities Business Acquisition, Purchase Price Allocation, Goodwill Amount Scenario [Axis] Scenario, Unspecified [Domain] Stock Options [Member] Restricted Stock Units (RSUs) [Member] Stock Option Plans [Axis] Stock Option Plans [Axis] Stock Option Activity [Axis] Stock option activity [Axis] Share Based Compensation [Axis] Share-based compensation [Axis] Restricted Stock [Axis] Restricted stock [Axis] Weighted Average Exercise Price [Member] Weighted average exercise price [Member] Equity Incentive Plan 2010 [Member] 2010 Equity incentive plan [Member] Stock Option Plan 2002 [Member] 2002 Stock option plan [Member] Aggregate Intrinsic Vvalue [Member] Aggregate intrinsic value [Member] Number Of Shares Restricted Stock [Member] Number of shares [Member] Weighted Average Remaining Contractual Term [Member] Weighted average remaining contractual term [Member] Weighted Average Grant Date Fair Value [Member] Weighted average grant date fair value [Member] Stock Option Plan 1996 [Member] 1996 Stock option plan [Member] Stock Option Plan 1997 [Member] 1997 Stock option plan [Member] Number Of Shares [Member] Number of shares [Member] Document and Entity Information [Abstract] BusinessCombinationDisclosureTextBlockAbstract SignificantAccountingPoliciesTextBlockAbstract EarningsPerShareTextBlockAbstract BusinessDescriptionAndBasisOfPresentationTextBlockAbstract ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNonvestedNumber DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlockAbstract SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonVestedWeightedAverageRemainingContractualTerm1 ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsNonVestedWeightedAverageExercisePrice Liabilities, Current Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Operating Expenses Payments to Acquire Restricted Certificates of Deposit Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Weighted Average Number of Shares Outstanding, Basic Significant Accounting Policies [Text Block] Net Cash Provided by (Used in) Investing Activities Document Period End Date Deferred Tax Liabilities, Net, Noncurrent Net Cash Provided by (Used in) Operating Activities Use of Estimates, Policy [Policy Text Block] Cash and Cash Equivalents, Period Increase (Decrease) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Assets, Current Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Stock Options Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Business Acquisition, Cost of Acquired Entity, Purchase Price Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number Amendment Flag Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value Weighted Average Number of Shares Outstanding, Diluted Payments to Acquire Property, Plant, and Equipment Increase (Decrease) in Accounts Receivable Increase (Decrease) in Income Taxes Receivable Entity Central Index Key Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized Business Acquisition, Purchase Price Allocation, Property, Plant and Equipment Increase (Decrease) in Billing in Excess of Cost of Earnings Increase (Decrease) in Prepaid Expense and Other Assets Tax Benefit from Stock Options Exercised Net Cash Provided by (Used in) Financing Activities Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Increase (Decrease) in Deferred Charges Entity Common Stock, Shares Outstanding Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted Comprehensive Income (Loss), Net of Tax, Attributable to Parent Business Acquisition, Purchase Price Allocation, Goodwill Amount Increase (Decrease) in Accounts Payable Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Business Acquisition, Purchase Price Allocation, Current Liabilities, Other Liabilities Entity Filer Category Document Fiscal Year Focus Entity Public Float Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Entity Voluntary Filers Operating Income (Loss) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Liabilities and Equity Business Description and Basis of Presentation [Text Block] Assets Entity Current Reporting Status New Accounting Pronouncements, Policy [Policy Text Block] Entity Registrant Name Earnings Per Share [Text Block] Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Business Acquisition, Purchase Price Allocation, Other Noncurrent Assets Gain (Loss) on Sale of Property Plant Equipment Deferred Income Tax Expense (Benefit) Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Entity Well-known Seasoned Issuer Payments to Acquire Businesses, Net of Cash Acquired Share-based Compensation Arrangement by Share-based Payment Award, Terms of Award Restricted Stock or Unit Expense Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Stockholders' Equity Attributable to Parent Increase (Decrease) in Inventories Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent Amendment Description Document Type Business Combination Disclosure [Text Block] Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block] Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Total Intrinsic Value Gross Profit Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Increase (Decrease) in Restricted Cash Liabilities Stock Issued During Period, Shares, Restricted Stock Award, Gross Current Fiscal Year End Date Liabilities, Noncurrent Document Fiscal Period Focus Statement [Table] Statement [Line Items]