Consolidated Balance Sheets (Unaudited) Consolidated Balance Sheets (Unaudited) [Abstract] ASSETS ASSETS [Abstract] Current assets: Current assets: [Abstract] Cash and cash equivalents Trade accounts receivable, net of allowance for doubtful accounts of $147 and $195, respectively Inventories Deferred tax assets Prepaid expenses and other current assets Total current assets Property and equipment: Property and equipment: [Abstract] Machinery and equipment Leasehold improvements Gross property and equipment Less: accumulated depreciation Net property and equipment Deferred tax assets Goodwill Intangible assets, net Restricted certificates of deposit Other assets Total assets LIABILITIES AND STOCKHOLDERS' EQUITY LIABILITIES AND STOCKHOLDERS' EQUITY [Abstract] Current liabilities: Current liabilities: [Abstract] Accounts payable Accrued wages and benefits Accrued sales commissions Accrued rent Accrued professional fees Customer deposits Other current liabilities Total current liabilities Commitments and Contingencies Stockholders' equity: Stockholders' equity: [Abstract] Preferred stock, $0.01 par value; 5,000,000 shares authorized; no shares issued or outstanding Common stock, $0.01 par value; 20,000,000 shares authorized; 10,463,255 shares issued Addtional paid-in capital Retained earnings (accumulated deficit) Accumulated other comprehensive earnings Treasury stock, at cost; 55,201 and 76,328 shares, respectively Total stockholders' equity Total liabilities and stockholders' equity Allowance for doubtful accounts, respectively (in Dollars) Preferred stock par value (in Dollars per share) Preferred stock, shares authorized Preferred stock, shares issued Preferred stock, shares outstanding Common stock, par value (in Dollars per share) Common stock, shares authorized Common stock, shares issued Treasury stock, at cost, shares, respectively Consolidated Statements of Operations (Unaudited) Consolidated Statements of Operations (Unaudited) [Abstract] Net revenues Cost of revenues Gross margin Operating expenses: Operating expenses: [Abstract] Selling expense Engineering and product development expense General and administrative expense Restructuring and other charges Total operating expenses Operating income Other income (expense): Other income (expense): [Abstract] Interest income Interest expense Reflects the sum of all expenses, other revenue and income recognized by the entity in the period not otherwise specified in the income statement. Other Total other income Earnings before income tax expense Income tax expense Net earnings Net earnings per common share - basic (in Dollars per share) Weighted average common shares outstanding - basic (in Shares) Net earnings per common share - diluted (in Dollars per share) Weighted average common shares and common share equivalents outstanding - diluted (in Shares) Consolidated Statements of Comprehensive Earnings (Unaudited) Consolidated Statements of Comprehensive Earnings (Unaudited) [Abstract] Net earnings Foreign currency translation adjustments Comprehensive earnings Consolidated Statement of Stockholders' Equity (Unaudited) Consolidated Statement of Stockholders' Equity (Unaudited) [Abstract] Equity Component [Domain] Balance Balance Balance (in Shares) Balance (in Shares) Net earnings Other comprehensive loss Amortization of deferred compensation related to restricted stock Issuance of 21,127 shares to satisfy profit sharing liability Issuance of shares to satisfy profit sharing liability Consolidated Statements of Cash Flows (Unaudited) Consolidated Statements of Cash Flows (Unaudited) [Abstract] CASH FLOWS FROM OPERATING ACTIVITIES CASH FLOWS FROM OPERATING ACTIVITIES [Abstract] Net earnings Adjustments to reconcile net earnings to net cash provided by operating activities: Adjustments to reconcile net earnings to net cash provided by operating activities: [Abstract] Depreciation and amortization Foreign exchange gain Amortization of deferred compensation related to restricted stock The value of stock issued to fund the profit sharing contribution for the period. Profit sharing expense funded through the issuance of treasury stock (Gain) loss on sale of property and equipment The cash inflow from sale of machinery and equipment net of any gain on sale. Proceeds from sale of demonstration equipment, net of gain Deferred income tax expense Changes in assets and liabilities: Changes in assets and liabilities: [Abstract] Trade accounts receivable Inventories Prepaid expenses and other current assets Restricted certificates of deposit Other assets Accounts payable Accrued wages and benefits Accrued sales commissions Accrued rent Accrued professional fees Customer deposits Other current liabilities Deferred rent Net cash provided by operating activities CASH FLOWS FROM INVESTING ACTIVITIES CASH FLOWS FROM INVESTING ACTIVITIES [Abstract] Acquisition of business Purchase of property and equipment Proceeds from sale of property and equipment Net cash used in investing activitites CASH FLOWS FROM FINANCING ACTIVITIES CASH FLOWS FROM FINANCING ACTIVITIES [Abstract] Proceeds from stock options exercised Net cash provided by financing activities Effects of exchange rates on cash Net cash provided by (used in) all activities Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Cash payments for: Cash payments for: [Abstract] Domestic and foreign income taxes Interest Details of acquisition: Details of acquisition: [Abstract] Fair value of assets acquired Liabilities assumed Goodwill resulting from acquisition Net cash paid for acquisition SUPPLEMENTAL DISCLOSURE OF NON-CASH INVESTING AND FINANCING ACTIVITIES: SUPPLEMENTAL DISCLOSURE OF NON-CASH INVESTING AND FINANCING ACTIVITIES: [Abstract] Forfeiture of non-vested shares of restricted stock Note 1 - Nature of Operations Nature of Operations [Text Block] Note 2 - Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Note 3 - Acquisition Mergers, Acquisitions and Dispositions Disclosures [Text Block] Note 4 - Goodwill and Intangible Assets Goodwill and Intangible Assets Disclosure [Text Block] Note 5 - Restructuring and Other Charges Restructuring and Related Activities Disclosure [Text Block] Note 6 - Major Customers Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block] Note 7 - Inventories Inventory Disclosure [Text Block] Note 8 - Debt Debt Disclosure [Text Block] Note 9 - Leasehold Improvements and Deferred Rent Leases of Lessee Disclosure [Text Block] Note 10 - Guarantees Guarantees [Text Block] Note 11 - Stock-Based Compensation Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Note 12 - Employee Benefit Plans Pension and Other Postretirement Benefits Disclosure [Text Block] Note 13 - Segment Information Segment Reporting Disclosure [Text Block] Significant Accounting Policies (Abstract) Significant Accounting Policies The entire disclosure for the basis of presentation and the use of estimates in the preparation of financial statements in conformity with generally accepted accounting principles. The entire disclosure of accounting policy for restructuring and related activities. Basis of Presentation and Use of Estimates [Policy Text Block] Reclassification, Policy [Policy Text Block] Inventory, Policy [Policy Text Block] Goodwill Intangible and Long Lived Assets [Policy Text Block] Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block] Subsequent Events, Policy [Policy Text Block] Revenue Recognition, Policy [Policy Text Block] Standard Product Warranty, Policy [Policy Text Block] Restructuring and Other Charges [Policy Tex tBlock] Income Tax, Policy [Policy Text Block] Earnings Per Share, Policy [Policy Text Block] Schedule of Calculation of Numerator and Denominator in Earnings Per Share [Table Text Block] Business Acquisition, Acquiree [Domain] Schedule of Purchase Price Allocation [Table Text Block] Schedule of Finite-Lived Intangible Assets [Table Text Block] Business Acquisition, Pro Forma Information [Table Text Block] Finite-Lived Intangible Assets, Major Class Name [Domain] Schedule of Goodwill [Table Text Block] Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Schedule of Restructuring and Related Costs [Table Text Block] Schedule of Inventory, Current [Table Text Block] Tabular disclosure of letters of credit outstanding as of the reporting date. Schedule Of Outstanding Letters Of Credit [Table Text Block] Schedule of Product Warranty Liability [Table Text Block] Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block] Schedule of Nonvested Share Activity [Table Text Block]