Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Cash flows from operating activities
Net loss	$ (4,595)	$ (20,184)	$ (68,002)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities
Impairment of intangible assets	0	0	5,758
Impairment of long-lived assets	0	0	9,727
Gain on settlement of Global Cooling escrow	0	0	(5,115)
Depreciation	2,253	5,160	7,114
Amortization of intangible assets	2,434	3,501	5,181
Amortization of loan costs	0	0	13
Stock-based compensation	22,993	30,923	33,245
Non-cash lease expense	1,875	424	404
Deferred income tax expense (benefit)	65	(64)	(62)
Change in fair value of contingent consideration	0	0	(2,193)
Change in fair value of equity investment and other	(983)	4,074	0
Accretion of investments	(736)	(474)	(1,262)
Loss on disposal of assets held for rent, net	510	567	594
Loss on disposal of property and equipment, net	11	154	633
IPR&D expense	15,521	0	0
Net gain on disposal of subsidiaries	(10,324)	(15,877)	0
Change in operating assets and liabilities
Accounts receivable, trade, net	264	(2,899)	15,351
Inventories	(1,268)	781	(8,552)
Prepaid expenses and other current assets	(3,039)	(2,407)	137
Accounts payable	(2,086)	26	(8,425)
Accrued expenses and other current liabilities	(1,144)	6,485	2,002
Sales taxes payable	(1,905)	(973)	1,311
Warranty liability	5	(528)	(454)
Other	264	(258)	97
Net cash provided by (used in) operating activities	20,115	8,431	(12,498)
Cash flows from investing activities
Purchases of property and equipment	(9,478)	(3,227)	(6,381)
Purchases of assets held for rent	(886)	(2,068)	(4,856)
Proceeds from sale of available-for-sale securities	6,829	3,518	3,469
Maturities of available-for-sale securities	34,764	18,400	52,700
Investment in available-for-sale securities	(114,063)	(18,415)	(27,095)
Purchases of intangible assets	0	(300)	0
Investment in IPR&D	(10,221)	0	0
Investment in convertible promissory note	(2,000)	0	0
Proceeds from sale of divested entities	23,516	73,431	0
Payments on divestiture of Global Cooling	0	(13,039)	0
Net cash (used in) provided by investing activities	(71,539)	58,300	17,837
Cash flows from financing activities
Payments on term loan	(10,000)	(5,000)	(300)
Payments on equipment loans	0	(1,608)	(198)
Issuance of common stock	0	0	10,244
Proceeds from exercise of common stock options	18	202	507
Proceeds from financed insurance premium	0	2,094	2,639
Payments on financed insurance premium	(975)	(2,397)	(2,365)
Other	33	(74)	64
Net cash (used in) provided by financing activities	(10,924)	(6,783)	10,591
Net (decrease) increase in cash and cash equivalents	(62,348)	59,948	15,930
Cash and cash equivalents – beginning of period	95,386	35,438	19,473
Effects of currency translation on cash and cash equivalents	0	0	35
Cash and cash equivalents – end of period	33,038	95,386	35,438
Non-cash investing and financing activities
Assets acquired under operating leases	0	5,833	880
Assets acquired under finance leases	0	0	1,682
Purchase of property and equipment not yet paid	0	107	359
Unrealized loss (gain) on available-for-sale securities	108	(18)	(56)
Unrealized gain on currency translation	0	0	(12)
Non-cash acquisition of PanTHERA	5,300	0	0
Cashless issuance of SciSafe earnout shares	0	0	2,263
Returned shares from settlement of Global Cooling escrow	0	0	(5,115)
Cash interest paid	$ 762	$ 1,608	$ 1,927