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	$ (56,912)	$ (51,585)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	7,939	5,716
Impairment of assets	397	444
Reduction in carrying amount of right-of-use asset	13,257	5,351
Stock based compensation	16,222	14,048
Revaluation of contingent consideration	305	434
Income from unconsolidated joint venture	(137)	(100)
Donation of common stock	696	2,272
Losses on marketable securities		1,659
Non-cash income tax benefit		(559)
Loss on sale of property and equipment	92	71
Inventory write-off	223
Amortization of deferred costs on convertible notes	1,396	1,250
Deferred taxes benefit	(66)	(2)
Changes in other assets and liabilities:
Accounts receivable, net	(14,873)	(19,032)
Inventory	(17)	(3,680)
Prepaid expenses	2,335	(1,784)
Other assets	1,395	(3,922)
Accounts payable	640	(240)
Accrued expenses	1,032	5,591
Contract liabilities	1,178	2,777
Lease liabilities	(3,845)	(4,219)
Income taxes payable	160
Net cash used in operating activities	(28,583)	(45,510)
Cash flows from investing activities:
Purchases of marketable securities	(8,630)	(281,897)
Proceeds from sale of marketable securities	30,000	4
Purchases of property and equipment	(12,063)	(9,608)
Proceeds from sale of property and equipment	223	165
Cash paid for business combinations, net of cash acquired	(3,349)
Net cash provided by (used in) investing activities	6,181	(291,336)
Cash flows from financing activities:
Proceeds from stock options exercised	1,428	3,317
Proceeds from issuance of convertible notes		287,500
Costs incurred in connection with issuance of convertible notes		(9,309)
Payments on finance lease obligations		(2)
Net cash provided by financing activities	1,428	281,506
Effect of foreign currency translation on cash and cash equivalents	(315)	(425)
Net decrease in cash and cash equivalents	(21,289)	(55,765)
Cash and cash equivalents at beginning of the year	65,662	86,262
Cash and cash equivalents at end of the period	44,373	30,497
Supplemental cash flow information:
Cash paid for interest	2,875	$ 1,414
Non-cash investing and financing activities:
Non-cash consideration in connection with business combination	$ 1,593