CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands		6 Months Ended
		Jun. 30, 2022	Jun. 30, 2021
Operating activities:
Net income (loss)		$ (49,281)	$ 2,556
Adjustments to reconcile net (loss) income to net cash provided by (used in) operating activities:
Depreciation and amortization		7,140	8,197
Stock-based compensation		5,507	7,547
Deferred income taxes		(2,210)	173
Change in provision for doubtful accounts		152	89
Change in provision for excess and obsolete inventory		4,230	(6)
Gain on disposal of assets			4
Changes in operating assets and liabilities:
Accounts receivable		17,585	28,433
Inventory		2,249	5,372
Prepaid expenses and other assets		1,226	(3,792)
Prepaid income taxes		21,441	(441)
Accounts payable		(13,865)	(14,456)
Accrued expenses and other current liabilities		(11,375)	(10,210)
Accrued income taxes		3,839	(3,240)
Deferred revenue		22,972	6,489
Net cash provided by operating activities		9,610	26,715
Investing activities:
Purchases of property and equipment		(1,597)	(1,514)
Purchases of software licenses		(513)	(1,400)
Net cash used in investing activities		(2,110)	(2,914)
Financing activities:
Principal repayments of debt		(1,500)	(8,275)
Proceeds from exercise of stock options		254	1,187
Employee taxes paid related to net share settlement of equity awards		(1,628)	(5,675)
Proceeds from sale of common stock, net of issuance costs		39,370
Payments of dividends and equitable adjustments		(1)	(59)
Repurchases of common stock		(1,192)
Net cash provided by (used in) financing activities		35,303	(12,822)
Effect of exchange rate changes on cash and cash equivalents		(1,671)	214
Net increase in cash, cash equivalents and restricted cash		41,132	11,193
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]	198,936	169,654
Supplemental disclosures of cash flow information:
Cash paid for interest		6,999	7,358
Cash paid for income taxes		7,511	7,564
Supplemental disclosures of non-cash operating, investing and financing activities:
Purchases of property and equipment included in accounts payable		$ 469	265
Unpaid equitable adjustments included in accrued expenses and other current liabilities			$ 4

[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.