Unaudited Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Cash flows from operating activities
Net loss	$ (32,643)	$ (53,045)
Adjustments to reconcile net loss to net cash used in operating activities
Impairment of intangible assets	0	5,758
Impairment of long-lived assets	0	9,727
Settlement of Global Cooling escrow	0	(5,115)
Depreciation	4,223	5,646
Amortization of intangible assets	2,734	4,266
Amortization of loan costs	0	13
Stock-based compensation	20,231	23,337
Non-cash lease expense	265	494
Deferred income tax (benefit) expense	(88)	36
Change in fair value of contingent consideration	0	(1,778)
Change in fair value of equity investments	4,074	0
Accretion of available-for-sale investments	(407)	(1,049)
(Gain) loss on disposal of property and equipment, net	(62)	227
Loss on disposal of assets held for rent, net	458	443
Loss on disposal of Global Cooling	8,897	0
Change in operating assets and liabilities, net of effects of acquisitions
Accounts receivable, trade, net	(1,666)	9,437
Inventories	2,124	(8,450)
Prepaid expenses and other assets	1,514	(1,045)
Accounts payable	(1,139)	(3,380)
Accrued expenses and other current liabilities	(96)	(1,692)
Warranty liability	(478)	(97)
Sales taxes payable	(889)	1,330
Other	(266)	128
Net cash provided by (used in) operating activities	6,786	(14,809)
Cash flows from investing activities
Purchases of available-for-sale securities	(16,014)	(22,688)
Proceeds from sale of available-for-sale securities	2,609	2,971
Maturities of available-for-sale securities	15,600	42,450
Purchases of assets held for rent	(2,028)	(3,453)
Purchases of property and equipment	(2,465)	(5,400)
Payments on divestiture of Global Cooling	(13,039)	0
Net cash (used in) provided by investing activities	(15,337)	13,880
Cash flows from financing activities
Payments on equipment loans	(682)	(383)
Proceeds from exercises of common stock options	137	370
Payments on term loans	(2,500)	(300)
Proceeds from financed insurance premium	2,094	2,639
Payments on financed insurance premium	(1,730)	(1,653)
Other	(16)	77
Net cash (used in) provided by financing activities	(2,697)	750
Net decrease in cash, cash equivalents, and restricted cash	(11,248)	(179)
Cash, cash equivalents, and restricted cash – beginning of period	35,438	19,473
Effects of currency translation on cash, cash equivalents, and restricted cash	(29)	(28)
Cash, cash equivalents, and restricted cash – end of period	24,161	19,266
Non-cash investing and financing activities
Purchase of property and equipment not yet paid	97	4,064
Assets acquired under operating leases	5,302	880
Assets acquired under financing leases	0	1,682
Unrealized (losses) gains on currency translation	3	(11)
Unrealized gains on available-for-sale securities	(46)	(44)
Cashless issuance of SciSafe earnout shares	0	2,263
Cash interest paid	1,236	1,394
Returned shares from settlement of Global Cooling escrow	$ 0	$ (5,115)