CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2022	Mar. 31, 2021
Operating activities:
Net income (loss)		$ (32,584)	$ 5,749
Adjustments to reconcile net (loss) income to net cash provided by (used in) operating activities:
Depreciation and amortization		3,615	4,209
Stock-based compensation		2,628	3,453
Deferred income taxes		369	138
Increase in provision for doubtful accounts		253	91
Change in provision for excess and obsolete inventory		(27)	113
Changes in operating assets and liabilities:
Accounts receivable		37,487	469
Inventory		(514)	4,558
Prepaid expenses and other assets		(205)	(5,834)
Prepaid income taxes		21,333	(680)
Accounts payable		(13,661)	(15,607)
Accrued expenses and other current liabilities		(13,707)	(10,118)
Accrued income taxes		8,985	2,225
Deferred revenue		4,125	6,079
Net cash provided by (used in) operating activities		18,097	(5,155)
Investing activities:
Purchases of property and equipment		(962)	(852)
Purchases of software licenses		(4)	(1,400)
Net cash used in investing activities		(966)	(2,252)
Financing activities:
Principal repayments of debt		(750)	(750)
Proceeds from exercise of stock options		79	574
Employee taxes paid related to net share settlement of equity awards		(1,490)	(4,630)
Payments of dividends and equitable adjustments		(1)	(13)
Repurchases of common stock		(1,192)
Net cash used in financing activities		(3,354)	(4,819)
Effect of exchange rate changes on cash and cash equivalents		100	(266)
Net increase (decrease) in cash, cash equivalents and restricted cash		13,877	(12,492)
Cash, cash equivalents and restricted cash at beginning of period		157,804	158,461
Cash, cash equivalents and restricted cash at end of period	[1]	171,681	145,969
Supplemental disclosures of cash flow information:
Cash paid for interest		3,478	3,682
Cash paid for income taxes		1,806	290
Supplemental disclosures of non-cash operating, investing and financing activities:
Purchases of property and equipment included in accounts payable		$ 60	325
Unpaid equitable adjustments included in accrued expenses and other current liabilities			50
Release of customer incentives included in accounts receivable and accrued expenses and other current liabilities			$ 1,076

[1] See Note 2 of the accompanying notes for a reconciliation of the ending balance of cash, cash equivalents and restricted cash shown in these unaudited condensed consolidated statements of cash flows.