Unaudited Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Cash flows from operating activities
Net (loss) income	$ (79,620)	$ 6,758
Adjustments to reconcile net (loss) income to net cash used in operating activities
Intangible asset impairment charges	69,900	0
Stock-based compensation	11,372	4,024
Amortization of intangible assets	5,725	2,815
Depreciation	3,257	1,895
Non-cash lease expense	1,308	1,047
Change in fair value of warrant liability	(0)	121
Loss on disposal of property and equipment, net	35	0
(Gain) loss on disposal of assets held for rent, net	(264)	102
Deferred income tax benefit	(4,338)	(12,552)
Change in fair value of contingent consideration	(5,695)	1,226
Other	200	175
Change in operating assets and liabilities, net of effects of acquisitions
Accounts receivable, trade, net	(8,128)	(8,494)
Inventories	(4,990)	1,283
Prepaid expenses and other assets	(1,492)	2,370
Accounts payable	(3,402)	(2,790)
Accrued expenses and other current liabilities	(1,033)	(681)
Warranty liability	(676)	(3,201)
Net cash used in operating activities	(17,841)	(5,902)
Cash flows from investing activities
Cash acquired in acquisition of Global Cooling, Inc.	0	43
Proceeds from sale of equipment	0	1
Purchases of assets held for rent	(774)	(4,280)
Purchases of property and equipment	(3,491)	(4,407)
Investment in available-for-sale securities	(23,075)	0
Net cash used in investing activities	(27,340)	(8,643)
Cash flows from financing activities
Proceeds from exercise of common stock options	301	608
Proceeds from line of credit	0	11,800
Payments on line of credit	0	(12,738)
Fees incurred for registration filings	(76)	0
Other	10	(380)
Net cash (used in) provided by financing activities	(470)	385
Net decrease in cash, cash equivalents, and restricted cash	(45,651)	(14,160)
Cash, cash equivalents, and restricted cash – beginning of period	69,870	90,456
Effects of currency translation on cash, cash equivalents, and restricted cash	(190)	3
Cash, cash equivalents, and restricted cash – end of period	24,029	76,299
Non-cash investing and financing activities
Cashless exercise of warrants reclassified from warrant liability to common stock	0	2,901
Cashless issuance of SciSafe earnout shares	816	0
Stock issued as consideration to acquire Global Cooling, Inc.	0	232,741
Equipment acquired under operating leases	243	6,971
Equipment acquired under finance leases	0	440
Purchase of property and equipment not yet paid	102	0
Cash interest paid	121	0
Equipment Loans [Member]
Cash flows from financing activities
Proceeds from equipment loans	0	1,282
Payments on equipment loans	(247)	0
Financed Insurance Premium [Member]
Cash flows from financing activities
Payments on financed insurance premium	$ (458)	$ (187)