Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Cash flows from operating activities
Net (loss) income	$ (126,235)	$ (95,904)	$ 28,317
Adjustments to reconcile net (loss) income to net cash used in operating activities:
Depreciation and amortization	4,526	6,668	10,765
(Loss) Gain on disposals of assets, net	(2)	(72)	421
Impairment of goodwill	7,409	10,390	482
Impairment of other noncurrent assets	32,915	445	638
Gain on sale of discontinued operations	0	0	(94,702)
Gain on debt retirement	0	(60)	(961)
Loss on reclassification of cumulative foreign currency translation adjustments	2,915	0	0
Amortization of premiums (discounts) on investments, net	(883)	(1,809)	832
Equity in net income of affiliates	0	0	(862)
Stock-based compensation expense	9,471	9,888	10,206
Shares issued as payment for services	553	545	575
Provision for credit losses	0	0	944
Accretion of debt discount and amortization of deferred financing costs	0	60	1,042
Deferred income taxes	(1,795)	(479)	(150)
Issuance cost related to Warrants	292	0	0
Other noncash items	0	2	107
Receivables:
Trade	(24)	76	(2,175)
Other	438	12,153	(11,338)
Prepaid expenses and other	981	748	2,630
Other assets	120	129	(101)
Accounts payable	1,549	(2,421)	379
Accrued compensation and benefits	3,145	5,227	(37)
Other accrued liabilities	(1,827)	782	(1,517)
Deferred revenue	196	484	(23,396)
Lease liabilities	(55)	(107)	(107)
Other long-term liabilities	0	0	(37)
Indemnification Accruals	(1,862)	(13,675)	13,000
Net cash used in operating activities	(68,173)	(66,930)	(65,045)
Cash flows from investing activities
Purchases of investments	(187,206)	(185,026)	0
Sales and maturities of investments	175,016	183,377	68,441
Purchases of property, plant and equipment	(8,584)	(1,536)	(4,924)
Proceeds from sale of assets	60	98	594
Proceeds from sale of discontinued operations	0	0	162,306
Net cash (used in) provided by investing activities	(20,714)	(3,087)	226,417
Cash flows from financing activities
Proceeds from issuance of common stock , net of issuance costs	31,237	72,808	0
Payments of long-term debt, including cost to retire of $120 and $588 in 2023 and 2022, respectively	0	(43,219)	(155,293)
Proceeds from issuance of Series A Preferred Stock and Warrants	79,000	0	0
Proceeds from stock option exercises	346	0	1
Net cash provided by (used in) financing activities	110,583	29,589	(155,292)
Effect of exchange rate changes on cash, cash equivalents, and restricted cash	(27)	(320)	(827)
Net increase (decrease) in cash, cash equivalents, and restricted cash	21,669	(40,748)	5,253
Cash, cash equivalents, and restricted cash
Beginning of year	7,848	48,596	43,343
End of year	29,517	7,848	48,596
Supplemental disclosure of cash flow information
Cash paid during the period for interest	7	1,171	8,535
Cash paid during the period for income taxes	4	21	0
Significant noncash activities
Accrued compensation paid in equity awards	3,039	3,361	1,698
Purchases of property and equipment included in accounts payable and other accrued liabilities	341	566	40
Issuance costs included in accounts payable and other accrued liabilities	$ 892	$ 0	$ 0