Document and entity information. Document And Entity Information Document Type Document Type Amendment Flag Amendment Flag Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Trading Symbol Trading Symbol Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Entity Shell Company Entity Small Business Entity Emerging Growth Company Entity Current Reporting Status Entity Current Reporting Status Entity Voluntary Filers Entity Voluntary Filers Entity Filer Category Entity Filer Category Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Entity Public Float Entity Public Float CONSOLIDATED BALANCE SHEETS Pro forma Balance Sheet: Assets [Abstract] ASSETS Assets, Current [Abstract] Current assets Cash and Cash Equivalents, at Carrying Value Cash and equivalents Other Investments and Securities, at Cost Short term investments Accounts Receivable, Net, Current Accounts receivable, net of allowances of $1,152 in 2018 and $520 in 2017 Accounts receivable, net of allowance Inventory, Net Inventories, net Total Prepaid Expense, Current Prepaid expenses Contract with Customer, Asset, Net, Current Contract assets Contract asset Other Assets, Current Other current assets Assets, Current Total current assets Property, Plant and Equipment, Net [Abstract] Property and equipment: Furniture and Fixtures, Gross Furniture and fixtures Carrying amount of office equipment such as employee laptops, copiers, printers, etc as of the balance sheet date. Office Equipment Gross Office equipment Property, Plant and Equipment, Gross Total Property and equipment: Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Accumulated depreciation Property, Plant and Equipment, Net Property and equipment, net Goodwill. Net balance at end of period Net balance at beginning of period Goodwill. Goodwill Intangible Assets, Net (Excluding Goodwill) Net balance Net balance Ending Balance Intangible assets, net of accumulated amortization Deferred Income Tax Assets, Net Deferred income taxes Contract with Customer, Asset, Net, Noncurrent Contract assets - non-current Other Assets, Noncurrent Other assets Assets Total assets Liabilities and Equity [Abstract] LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities, Current [Abstract] Current liabilities Accounts Payable, Current Accounts payable Deferred Revenue, Current Deferred revenue Employee-related Liabilities, Current Accrued wages and payroll taxes Accrued Income Taxes, Current Short-term income taxes payable Other Accrued Liabilities, Current Other accrued expenses Deferred Compensation Liability, Current Deferred compensation Liabilities, Current Total current liabilities Deferred Revenue, Noncurrent Deferred revenue - non-current Long-term deferred revenue Other Liabilities, Noncurrent Other long-term liabilities Accrued Income Taxes, Noncurrent Long-term income taxes payable Deferred Tax Liabilities, Net, Noncurrent Deferred income taxes Liabilities Total liabilities Stockholders' Equity Attributable to Parent [Abstract] Stockholders' equity Common Stock, Value, Issued Common stock: $.001 par value per share, 75,000 shares authorized; 40,225 and 40,086 issued and outstanding at December 31, 2018 and 2017, respectively Additional Paid in Capital, Common Stock Additional paid-in capital Retained Earnings (Accumulated Deficit) Accumulated income Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive loss Accumulated other comprehensive income (loss) Stockholders' Equity Attributable to Parent Total stockholders' equity Liabilities and Equity Total liabilities and stockholders' equity Allowance for Doubtful Accounts Receivable, Current Accounts receivable, allowance for doubtful accounts Preferred Stock, Shares Authorized Preferred stock, shares authorized Preferred Stock, Shares Issued Preferred stock, shares issued Preferred Stock, Shares Outstanding Preferred stock, shares outstanding Common Stock, Par or Stated Value Per Share Common stock, par value Common Stock, Shares Authorized Common stock, shares authorized Common Stock, Shares, Issued Common stock, shares issued Common Stock, Shares, Outstanding Common stock, shares outstanding CONSOLIDATED STATEMENTS OF OPERATIONS Pro format Income Statement: Statement [Table] Products and Services [Axis] Products And Services [Domain] Products and Services [Domain] Refers to produce and license revenue. Product And License [Member] Product and license Refers to service and other revenue. Service And Other [Member] Service and other Statement [Line Items] Statement [Line Items] Revenue, Net [Abstract] Revenue Revenue from Contract with Customer, Including Assessed Tax Total Revenue Revenue Total revenue Cost of goods sold Cost of goods sold Cost of Goods and Services Sold Total cost of goods sold Total cost of goods sold Gross Profit Gross profit Gross profit Operating Expenses [Abstract] Operating costs Operating costs Selling and Marketing Expense Sales and marketing Research and Development Expense Research and development General and Administrative Expense General and administrative The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. Amortization And Impairment Of Intangible Assets Amortization / impairment of intangible assets Operating Expenses Operating costs Total operating costs Operating Income (Loss) Operating income Operating income (loss) Investment Income, Net Interest income, net Other Nonoperating Income Other income, net Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Income before income taxes Income (loss) before taxes Income Tax Expense (Benefit) Provision (benefit) for income taxes Total Net Income (Loss) Attributable to Parent Net income (loss) Net income (loss) Net income Earnings per Common Share Net income (loss) per share Net income/(loss) per share: Earnings Per Share, Basic Basic (in dollars per share) Earnings Per Share, Diluted Diluted (in dollars per share) Weighted Average Number of Shares Outstanding, Diluted [Abstract] Weighted average common shares outstanding Weighted average common shares outstanding: Weighted Average Number of Shares Outstanding, Basic Basic (in shares) Weighted Average Number of Shares Outstanding, Diluted Diluted (in shares) Diluted (in shares) CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Other comprehensive income (loss) Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent Cumulative translation adjustment, net Pension adjustment, net Pension adjustment, net of tax of $95 in 2018, $53 in 2017, and $509 in 2016 Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive income (loss) Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Tax Pension adjustment, tax amount CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Common Stock [Member] Common Stock Additional Paid In Capital [Member] Additional Paid-In Capital Retained Earnings [Member] Accumulated Income Accumulated Other Comprehensive Income [Member] Accumulated Other Comprehensive Income (Loss) Increase (Decrease) in Stockholders' Equity [Roll Forward] Change in Stockholders' Equity Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and may be different from balance sheet amounts due to insignificant rounding differences. Stockholders' Equity Attributable to Parent, Rounded Balance Balance Shares, Outstanding Balance (in shares) Balance (in shares) Cumulative Effect of New Accounting Principle in Period of Adoption Cumulative impact of change in accounting principles, net of tax Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Foreign currency translation adjustment, net Stock Issued During Period, Value, Restricted Stock Award, Gross Restricted stock awards Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Restricted stock awards, Shares Stock Issued During Period, Shares, Restricted Stock Award, Gross Restricted stock awards (in shares) Adjustment To Additional Paid In Capital Tax Payments Related To Restricted Stock Share Issuances Adjustment To Additional Paid In Capital Tax Payments Related To Restricted Stock Share Issuances Tax payments for stock issuances Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax Pension adjustment, net of tax of $95 in 2018, $53 in 2017, and $509 in 2016 CONSOLIDATED STATEMENTS OF CASH FLOWS Net Cash Provided by (Used in) Operating Activities [Abstract] Cash flows from operating activities: Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net income (loss) from operations Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income (loss) from operations to net cash provided by (used in) operations: Depreciation, Depletion and Amortization Depreciation, amortization, and impairment of intangible assets Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property Loss (gain) on disposal of assets Deferred Income Taxes and Tax Credits Deferred tax expense (benefit) Share-based Compensation Stock-based compensation Increase (Decrease) in Accounts Receivable Accounts receivable, net Increase (Decrease) in Inventories Inventories, net Increase (Decrease) in Contract with Customer, Asset Contract assets Increase (Decrease) in Accounts Payable Accounts payable Increase (Decrease) in Income Taxes Payable Income taxes payable Increase (Decrease) in Accrued Liabilities Accrued expenses Increase (Decrease) in Deferred Compensation Deferred compensation Increase (Decrease) in Deferred Revenue Deferred revenue Increase (Decrease) in Other Operating Assets and Liabilities, Net Other assets and liabilities Net Cash Provided by (Used in) Operating Activities Net cash provided by operating activities Net Cash Provided by (Used in) Investing Activities [Abstract] Cash flows from investing activities: Payments to Acquire Short-term Investments Purchase of short term investments Proceeds from Maturities, Prepayments and Calls of Short-term Investments Maturities of short term investments Payments to Acquire Businesses, Net of Cash Acquired Purchase of Dealflo, net of cash acquired Payments to Acquire Property, Plant, and Equipment Additions to property and equipment Payments for (Proceeds from) Other Investing Activities Other Net Cash Provided by (Used in) Investing Activities Net cash provided by (used in) investing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Cash flows from financing activities: Payments Related to Tax Withholding for Share-based Compensation Tax payments for restricted stock issuances Net Cash Provided by (Used in) Financing Activities Net cash used in financing activities Effect of Exchange Rate on Cash and Cash Equivalents Effect of exchange rate changes on cash Cash and Cash Equivalents, Period Increase (Decrease) Net increase (decrease) in cash Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash, cash equivalents, and restricted cash, end of period Cash, cash equivalents, and restricted cash, beginning of period Supplemental Cash Flow Information [Abstract] Supplemental cash flow disclosures: Income Taxes Paid, Net Cash paid for income taxes Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Summary of Significant Accounting Policies Inventories, net Inventory Disclosure [Text Block] Inventories, net Business Acquisitions Business Combination Disclosure [Text Block] Business Acquisitions Revenue Revenue from Contract with Customer [Text Block] Revenue No definition available. Goodwill Goodwill Disclosure [Text Block] Goodwill Intangible Assets Intangible Assets Disclosure [Text Block] Intangible Assets Income Taxes Income Tax Disclosure [Text Block] Income Taxes Stock Compensation Plans Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Stock Compensation Plans Earnings Per Share [Text Block] Earnings per Common Share Long-Term Compensation Plan and Stock Based Compensation Pension and Other Postretirement Benefits Disclosure [Text Block] Employee Benefit Plan Geographic, Customer and Supplier Information Segment Reporting Disclosure [Text Block] Geographic, Customer and Supplier Information Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Commitments and Contingencies Quarterly Results of Operations (unaudited) Quarterly Financial Information [Text Block] Quarterly Results of Operations (unaudited) Related Party Related Party Transactions Disclosure [Text Block] Related Party Valuation and Qualifying Accounts Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] Valuation and Qualifying Accounts Disclosure of accounting policy for description of the Company. Description Of the Company [Policy Text Block] Description of the Company Consolidation, Policy [Policy Text Block] Principles of Consolidation Reclassification, Policy [Policy Text Block] Reclassifications Use of Estimates, Policy [Policy Text Block] Estimates and Assumptions Foreign Currency Transactions and Translations Policy [Policy Text Block] Foreign Currency Translation and Transactions Revenue from Contract with Customer [Policy Text Block] Revenue Recognition Cash and Cash Equivalents, Policy [Policy Text Block] Cash and Cash Equivalents Disclosure of accounting policy for short-term investments. Short Term Investment [Policy Text Block] Short Term Investments Trade and Other Accounts Receivable, Policy [Policy Text Block] Accounts Receivable and Allowance for Doubtful Accounts Inventory, Policy [Policy Text Block] Inventories Property, Plant and Equipment, Policy [Policy Text Block] Property and Equipment