CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Cash flows from operating activities:
Net loss	$ (30,240)	$ (11,337)
Adjustments to reconcile net loss from operations to net cash used in operations:
Depreciation and amortization of intangible assets	4,524	5,691
Loss on disposal of asset	72	0
Impairment of intangible assets	0	3,828
Impairments of property and equipment, net	2,640	0
Impairments of inventories, net	1,568	0
Gain on sale of equity-method investment	0	(14,810)
Deferred tax benefit	44	683
Stock-based compensation	10,192	5,497
Changes in operating assets and liabilities:
Accounts receivable and allowance for doubtful accounts	26,396	10,437
Inventories, net	(5,277)	(540)
Contract assets	(542)	(232)
Accounts payable	(834)	2,236
Income taxes payable	(2,826)	(1,450)
Accrued expenses	(4,620)	(1,342)
Deferred compensation	(67)	(532)
Deferred revenue	(15,425)	(10,838)
Other assets and liabilities	557	(970)
Net cash used in operating activities	(13,838)	(13,679)
Cash flows from investing activities:
Purchase of short-term investments	0	(15,812)
Maturities of short-term investments	2,330	39,050
Additions to property and equipment	(9,035)	(2,547)
Additions to intangible assets	(31)	(17)
Cash paid for acquisition of business	(1,800)	0
Sale of equity-method investment	0	18,874
Net cash (used in) provided by investing activities	(8,536)	39,548
Cash flows from financing activities:
Tax payments for restricted stock issuances	(2,335)	(1,078)
Repurchase of common stock	(3,527)	(5,721)
Net cash used in financing activities	(5,862)	(6,799)
Effect of exchange rate changes on cash	145	(616)
Net (decrease) increase in cash	(28,091)	18,454
Cash, cash equivalents, and restricted cash, beginning of period	97,375	64,228
Cash, cash equivalents, and restricted cash, end of period	$ 69,284	$ 82,682