CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cash Flows From Operating Activities
Net loss	$ (29,494)	$ (10,962)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	2,906	476
Deferred income taxes	616	(477)
Stock-based compensation	3,740	2,152
Change in fair value of contingent consideration	750	0
Gain on extinguishment of loan payable	0	(636)
Preferred stock warrant liability expense	0	475
Changes in operating assets and liabilities:
Receivables under development arrangements	1,074	615
Prepaid expenses and other current assets	1,801	(690)
Operating lease right-of-use assets and liabilities	(86)	255
Other long-term assets	0	32
Accounts payable	637	1,258
Accrued expenses and other liabilities	(4,531)	444
Deferred revenue	1,438	(227)
Net cash used in operating activities	(21,149)	(7,285)
Cash Flows From Investing Activities
Purchases of property and equipment	(6,857)	(6,364)
Acquisitions, net of cash acquired	0	(2,512)
Net cash used in investing activities	(6,857)	(8,876)
Cash Flows From Financing Activities
Proceeds from issuance of redeemable convertible preferred units and stock, net of issuance costs	0	4,944
Principal payments on long-term debt	(600)	0
Principal payments on finance lease obligations	(671)	(368)
Proceeds from issuance of common stock, net of issuance costs	213	0
Proceeds from issuance of convertible promissory notes	0	125,000
Net cash (used in) provided by financing activities	(1,058)	129,576
Net (decrease) increase in cash, cash equivalents, and restricted cash	(29,064)	113,415
Cash, cash equivalents and restricted cash - Beginning of year	279,926	71,708
Cash, cash equivalents, and restricted cash - End of period	250,862	185,123
Supplemental Disclosure of Cash Flow Information
Cash paid during the period for interest	155	154
Supplemental Disclosure of Non-Cash Investing and Financing Activities
Property and equipment purchased under finance lease	0	733
Right-of-use assets obtained in exchange for operating lease obligation	0	3,330
Cash paid for amounts included in the measurement of operating lease liabilities	565	109
Property and equipment purchases included in accounts payable	3,282	5,685
Deferred offering costs included in accounts payable	$ 0	$ 337