CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2022		Dec. 31, 2021		Dec. 31, 2020
Operating activities:
Net (loss) income		$ (79,205)		$ 3,207		$ 24,801
Adjustments to reconcile net (loss) income to net cash (used in) provided by operating activities:
Depreciation and amortization		13,373		15,680		17,970
Stock-based compensation		13,281		14,819		13,155
Deferred income taxes		(3,702)		(931)		(2,526)
Change in provision for excess and obsolete inventory		17,245		2,070		1,616
Change in provision for doubtful accounts		519		59		38
Gain on disposal of assets		275		37		115
Non-cash operating lease expense		2,370
Gain on extinguishment of debt		(2,728)
Changes in operating assets and liabilities:
Accounts receivable		10,522		8,186		(350)
Inventory		(14,419)		14,101		(9,774)
Prepaid expenses and other assets		5,658		(2,017)		2,837
Prepaid income taxes		17,618		(9,884)		(11,745)
Accounts payable		1,978		(12,046)		17,015
Accrued expenses and other current liabilities		(2,677)		2,148		6,254
Operating lease liabilities		(2,366)
Accrued income taxes		(1,786)		(4,240)		5,297
Deferred revenue		15,410		2,409		(11,061)
Net cash (used in) provided by operating activities		(8,634)		33,598		53,642
Investing activities:
Purchases of property and equipment		(3,705)		(3,887)		(5,153)
Purchases of software licenses		(714)		(1,439)		(432)
Net cash used in investing activities		(4,419)		(5,326)		(5,585)
Financing activities:
Principal repayments of debt		(48,878)		(16,275)		(9,644)
Borrowings on revolving credit facility						6,500
Proceeds from exercise of stock options		327		2,262		1,195
Employee taxes paid related to net share settlement of equity awards		(2,106)		(6,465)		(640)
Proceeds from sale of common stock, net of issuance costs		39,370
Payments of dividends and equitable adjustments		(1)		(98)		(683)
Repurchases of common stock		(1,192)		(8,819)		(3,031)
Net cash used in financing activities		(12,480)		(29,395)		(6,303)
Effect of exchange rate changes on cash and cash equivalents		(2,846)		466		2,050
Net (decrease) increase in cash, cash equivalents and restricted cash		(28,379)		(657)		43,804
Cash, cash equivalents and restricted cash at beginning of year		157,804	[1]	158,461	[1]	114,657
Cash, cash equivalents and restricted cash at end of year	[1]	129,425		157,804		158,461
Supplemental disclosures of cash flow information:
Cash paid for interest		16,134		16,944		12,917
Cash paid for income taxes		7,911		10,194		2,969
Supplemental disclosures of non-cash investing and financing activities:
Purchases of property and equipment included in accounts payable		$ 90		$ 200		$ 128

[1] See Note 2, Summary of Significant Accounting Policies, for a reconciliation of the ending balance of cash, cash equivalents and restricted cash shown in these consolidated statements of cash flows.