Entity Central Index Key Document and entity information. Document And Entity Information [Abstract] Entity Registrant Name Entity Registrant Name Entity Central Index Key Document Type Document Type Document Period End Date Document Period End Date Amendment Flag Amendment Flag Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Current Fiscal Year End Date Current Fiscal Year End Date Trading Symbol Trading Symbol Entity Filer Category Entity Filer Category Entity Common Stock, Shares Outstanding Entity Common Stock Shares Outstanding Statement Of Financial Position [Abstract] ASSETS Assets [Abstract] Current assets: Assets Current [Abstract] Cash and cash equivalents Cash And Cash Equivalents At Carrying Value Accounts receivable, net of allowance for doubtful accounts of $226 as of September 30, 2017 and $230 as of December 31, 2016 Accounts Receivable Net Current Inventories Inventory Net Prepaid expenses and other current assets Prepaid Expense And Other Assets Current Total current assets Assets Current Property and equipment, net Property Plant And Equipment Net Intangible assets, net Finite Lived Intangible Assets Net Goodwill Goodwill Other long-term assets Other Assets Noncurrent Total assets Assets LIABILITIES AND STOCKHOLDERS’ EQUITY Liabilities And Stockholders Equity [Abstract] Current liabilities: Liabilities Current [Abstract] Accounts payable Accounts Payable Current Accrued compensation Employee Related Liabilities Current Accrued expenses Accrued Liabilities Current Accrued warranty Product Warranty Accrual Classified Current Deferred revenue Deferred Revenue Current Total current liabilities Liabilities Current Long-term liabilities: Liabilities Noncurrent [Abstract] Accrued warranty Product Warranty Accrual Noncurrent Other long-term liabilities Other Liabilities Noncurrent Total liabilities Liabilities Stockholders’ equity: Stockholders Equity [Abstract] Preferred stock, $0.01 par value, 2,000,000 shares authorized, no shares issued and outstanding Preferred Stock Value Common stock, $0.01 par value: Authorized: 30,000,000 shares; Issued and outstanding 11,579,379 and 11,304,736 shares as of September 30, 2017 and December 31, 2016, respectively Common Stock Value Additional paid-in capital Additional Paid In Capital Common Stock Accumulated deficit Retained Earnings Accumulated Deficit Total stockholders’ equity Stockholders Equity Total liabilities and stockholders’ equity Liabilities And Stockholders Equity Accounts receivable, allowance for doubtful accounts Allowance For Doubtful Accounts Receivable Current Preferred stock, par value Preferred Stock Par Or Stated Value Per Share 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 value Common Stock Par Or Stated Value Per Share Common stock, shares authorized Common Stock Shares Authorized Common stock, shares issued Common Stock Shares Issued Common stock, shares outstanding Common Stock Shares Outstanding Income Statement [Abstract] Total revenues Revenues Cost of revenues Cost Of Revenue Gross profit Gross Profit Operating expenses: Operating Expenses [Abstract] Research and development Research And Development Expense Sales and marketing Selling And Marketing Expense General and administrative General And Administrative Expense Gain on sale of intellectual property Gain Loss On Disposition Of Intangible Assets Total operating expenses Operating Expenses Loss from operations Operating Income Loss Other expense, net Nonoperating Income Expense Loss from operations before provision for (benefit from) income taxes Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest Provision for (benefit from) income taxes Income Tax Expense Benefit Net loss Net Income Loss Net loss per share: Earnings Per Share [Abstract] Basic Earnings Per Share Basic Diluted Earnings Per Share Diluted Weighted average shares used in computing net loss per common share: Weighted Average Number Of Shares Outstanding [Abstract] Basic Weighted Average Number Of Shares Outstanding Basic Diluted Weighted Average Number Of Diluted Shares Outstanding Statement Of Income And Comprehensive Income [Abstract] Net loss Other comprehensive loss, net of tax Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent Comprehensive loss Comprehensive Income Net Of Tax Increase decrease in prepaid deferred expense and other current assets. The increase (decrease) during the reporting period in warranty expenses incurred but not yet paid. Cash paid during the period. Statement Of Cash Flows [Abstract] Operating activities: Net Cash Provided By Used In Operating Activities [Abstract] Adjustments to reconcile net loss to net cash (used in) provided by operating activities: Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract] Depreciation and amortization Depreciation And Amortization Change in fair value of earn-out liability Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 Stock-based compensation Allocated Share Based Compensation Expense Provision for doubtful accounts Provision For Doubtful Accounts Changes in operating assets and liabilities: Increase Decrease In Operating Capital [Abstract] Accounts receivable Increase Decrease In Accounts Receivable Inventories Increase Decrease In Inventories Prepaid expenses and other current assets Increase Decrease In Prepaid Deferred Expense And Other Current Assets Other long-term assets Increase Decrease In Other Noncurrent Assets Accounts payable Increase Decrease In Accounts Payable Accrued compensation Increase Decrease In Employee Related Liabilities Accrued expenses Increase Decrease In Accrued Liabilities Accrued warranty Increase Decrease In Accrued Warranty Liabilities Deferred revenue Increase Decrease In Deferred Revenue Other long-term liabilities Increase Decrease In Other Noncurrent Liabilities Net cash (used in) provided by operating activities Net Cash Provided By Used In Operating Activities Continuing Operations Investing activities: Net Cash Provided By Used In Investing Activities Continuing Operations [Abstract] Acquisition of property and equipment Payments To Acquire Property Plant And Equipment Proceeds from sale of intellectual property Proceeds From Sale Of Intangible Assets Payment on earn-out liability Payments For Previous Acquisition Net cash used in investing activities Net Cash Provided By Used In Investing Activities Continuing Operations Financing activities: Net Cash Provided By Used In Financing Activities Continuing Operations [Abstract] Proceeds from issuance of common stock, net of issuance costs Proceeds From Issuance Of Common Stock Proceeds from stock option exercises Proceeds From Stock Options Exercised Taxes paid related to net share settlements of equity awards Payments Related To Tax Withholding For Share Based Compensation Repurchase of common stock Payments For Repurchase Of Common Stock Net cash provided by financing activities Net Cash Provided By Used In Financing Activities Continuing Operations Net decrease 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 Supplemental disclosure of cash flow information: Supplemental Cash Flow Information [Abstract] Cash paid during the period for: Cash Paid During Period [Abstract] Income taxes Income Taxes Paid Net Organization Consolidation And Presentation Of Financial Statements [Abstract] Basis of Presentation Organization Consolidation And Presentation Of Financial Statements Disclosure [Text Block] Accounting Policies [Abstract] Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Inventory Disclosure [Abstract] Inventories Inventory Disclosure [Text Block] Goodwill And Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Goodwill And Intangible Assets Disclosure [Text Block] Fair Value Disclosures [Abstract] Fair Value Measurements Fair Value Disclosures [Text Block] Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] Stock Based Compensation Disclosure Of Compensation Related Costs Share Based Payments [Text Block] Income Tax Disclosure [Abstract] Income Taxes Income Tax Disclosure [Text Block] Computation of Basic and Diluted Net Loss Per Common Share Earnings Per Share [Text Block] Segment Reporting [Abstract] Business Segments Segment Reporting Disclosure [Text Block] Subsequent Events [Abstract] Subsequent Events Subsequent Events [Text Block] Financial Statement Presentation Basis Of Accounting Policy Policy [Text Block] Use of Estimates Use Of Estimates Revenue Recognition Revenue Recognition Policy [Text Block] Concentration of Credit Risk Concentration Risk Credit Risk Taxes Collected from Customers and Remitted to Governmental Authorities Utility Revenue And Expense Recognition Policy Shipping and Handling Costs Shipping And Handling Cost Policy [Text Block] Deferred Revenue Revenue Recognition Deferred Revenue Warranty Standard Product Warranty Policy Reclassifications Prior Period Reclassification Adjustment Description Recently Issued and Adopted Accounting Standards New Accounting Pronouncements Policy Policy [Text Block] Reconciliation of Changes in Deferred Revenue Deferred Revenue By Arrangement Disclosure [Text Block] Reconciliation of Changes in Warranty Liability Schedule Of Product Warranty Liability Table [Text Block] Components of Inventories Schedule Of Inventory Current Table [Text Block] Summary of Components of Gross and Net Intangible Asset Schedule Of Finite Lived Intangible Assets Table [Text Block] Future Estimated Amortization Expense Scheduleof Finite Lived Intangible Assets Future Amortization Expense Table [Text Block] Financial Assets and Liabilities Measured and Recognized at Fair Value on a Recurring Basis Schedule Of Fair Value Assets And Liabilities Measured On Recurring Basis Table [Text Block] Quantitative Information about the Inputs and Valuation Methodologies Used for Fair Value Measurements Fair Value Inputs Liabilities Quantitative Information Table [Text Block] Reconciliation of the Changes in the Company's Earn-Out - Cash (Level 3 Liabilities) Balance Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Text Block] Summary of Activity under Incentive Plan Schedule Of Share Based Compensation Stock Options Activity Table [Text Block] Weighted Average Assumptions for Fair Value Estimate of Stock-Based Awards (Options) Schedule Of Share Based Payment Award Stock Options Valuation Assumptions Table [Text Block] Stock-Based Compensation Expense Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Text Block] Summary of Stock Options Outstanding, Vested, Expected to Vest and Exercisable Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Table [Text Block] Restricted Stock Units and Awards Schedule Of Sharebased Compensation Restricted Stock And Restricted Stock Units Activity Table [Text Block] Reconciliation of Numerator and Denominator of Basic and Diluted Net Loss Per Common Share Schedule Of Earnings Per Share Basic And Diluted Table [Text Block] Revenue Information by Geographic Region Schedule Of Revenues From External Customers And Long Lived Assets By Geographical Areas Table [Text Block] Number of customers. Number of supplier. Disclosure summary of significant accounting policies. Summary of significant accounting policies. Summary Of Significant Accounting Policies [Table] Summary Of Significant Accounting Policies [Table] Concentration Risk Benchmark Concentration Risk By Benchmark [Axis] Concentration Risk Benchmark Concentration Risk Benchmark [Domain] Revenue, Total Sales Revenue Net [Member] Accounts Receivable Accounts Receivable [Member] Purchases. Purchases Purchases [Member] Concentration Risk Type Concentration Risk By Type [Axis] Concentration Risk Type Concentration Risk Type [Domain] Customer Concentration Risk Customer Concentration Risk [Member] Supplier Concentration Risk Supplier Concentration Risk [Member] Range Range [Axis] Range Range [Member] Minimum Minimum [Member] Maximum Maximum [Member] Products and Services Product Or Service [Axis] Products and Services Products And Services [Domain] IQ 532/577 Laser Consoles Product [Member] Disclosure Summary Of Significant Accounting Policies [Line Items] Disclosure Summary Of Significant Accounting Policies [Line Items] Number of customer accounted for total revenues and net accounts receivable Number Of Customers Number of supplier accounted for total purchases Number Of Supplier Customer and supplier accounted percentage of total revenues, accounts receivable and purchases Concentration Risk Percentage1 Reconciliation of the changes in the Company's deferred revenue balance Movement In Deferred Revenue Roll Forward Balance, beginning of period Additions to deferral Deferred Revenue Additions Revenue recognized Deferred Revenue Revenue Recognized1 Balance, end of period Products warranty period. Products warranty period Products Warranty Period Reconciliation of the changes in the Company's warranty liability Movement In Standard Product Warranty Accrual Roll Forward Balance, beginning of period Standard Product Warranty Accrual Accruals for product warranties Standard Product Warranty Accrual Warranties Issued Cost of warranty claims Standard Product Warranty Accrual Preexisting Increase Decrease Balance, end of period Raw materials Inventory Raw Materials Net Of Reserves Work in process Inventory Work In Process Net Of Reserves Finished goods Inventory Finished Goods Net Of Reserves Total inventories Carrying value of goodwill Impairment of goodwill Goodwill Impairment Loss Statement [Table] Statement [Table] Finite-Lived Intangible Assets by Major Class Finite Lived Intangible Assets By Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name Finite Lived Intangible Assets Major Class Name [Domain] Customer relations Customer Relationships [Member] Statement [Line Items] Statement [Line Items] Schedule of Intangible Assets Finite Lived Intangible Assets Net [Abstract] Gross Carrying Amount Finite Lived Intangible Assets Gross