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Depreciation and amortization Depreciation, Depletion and Amortization Percent of total inventory (in percentage) Inventory, Percent Of Total Inventory Inventory, Percent Of Total Inventory Cash paid for interest Interest Paid, Excluding Capitalized Interest, Operating Activities Asia/Pacific & Europe Asia Pacific And Europe [Member] Asia Pacific And Europe [Member] Accumulated deficit Retained Earnings (Accumulated Deficit) Preferred stock — par value $0.0001 per share, 5,000 shares authorized, no shares issued or outstanding Preferred Stock, Value, Issued March 2016 Term Loan March 2016 Term Loan [Member] March 2016 Term Loan [Member] Repurchase of company stock Repurchase of company stock Payments for Repurchase of Common Stock Security Exchange Name Security Exchange Name Entity Tax Identification Number Entity Tax Identification Number Antidilutive securities excluded from EPS calculation (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Diluted (USD per share) Net income per share, diluted (USD per share) Earnings Per Share, Diluted Long-lived assets Long-Lived Assets Additional paid-in capital Additional Paid in Capital, Common Stock Net Cash Provided by Operating Activities Net Cash Provided by (Used in) Operating Activities Equity Component [Domain] Equity Component [Domain] Trading Symbol Trading Symbol Minimum Minimum [Member] Document Transition Report Document Transition Report Stock repurchase program authorized amount Stock Repurchase Program, Authorized Amount Foreign currency translation adjustment Currency translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Inventory valuation reserves Inventory Valuation Reserves Deferred income tax Deferred Income Tax Expense (Benefit) Range [Domain] Statistical Measurement [Domain] Returns liability reserve, net Contract with Customer, Refund Liability Net Cash Used in Financing Activities Net Cash Provided by (Used in) Financing Activities Income Statement [Abstract] Income Statement [Abstract] Inventory Disclosure [Abstract] Inventory Disclosure [Abstract] Income tax receivable Increase (Decrease) in Income Taxes Receivable Income tax expense Income tax expense Income Tax Expense (Benefit) Stock-Based Compensation Share-based Payment Arrangement [Text Block] 2021 Lessee, Operating Lease, Liability, Payments, Due Year Two Commitments and Contingencies Contingencies Disclosure [Text Block]