Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 48,039	$ 37,240
Accounts receivable, net of allowance of $518 and $272 as of March 31, 2022 and December 31, 2021, respectively	3,622	2,745
Notes receivable	2,392	2,488
Inventory	14,715	9,549
Prepaid expenses	6,969	7,076
Other current assets	2	2
Total current assets	75,739	59,100
Property and equipment, net	77,962	90,625
Goodwill	123,304	123,304
Intangible assets, net	122,646	123,187
Right-of-use assets - operating	15,691
Restricted cash	14,825	14,836
Inventory, net of current portion	3,225	2,721
Other long-term assets	810	355
Total assets	434,202	414,128
Current liabilities:
Accounts payable	10,418	9,317
Accrued expenses and other current liabilities	13,438	11,661
Current portion of financing obligation		3,051
Deferred revenue	2,178	2,196
Total current liabilities	26,034	26,225
Deferred revenue, net of current portion	1,928	1,871
Acquisition-related contingent consideration	237,071	232,222
Noncurrent lease liabilities - operating	30,463
Financing obligations		28,085
Warrant liabilities	46,894	25,962
Deferred income tax liabilities	10	10
Other liabilities	1,897	335
Total liabilities	344,297	314,710
Commitments and contingencies (Note 9)
Stockholders’ equity
Preferred stock, $0.0001 par value, 10,000,000 shares authorized, none issued and outstanding at March 31, 2022 and December 31, 2021
Common Stock, $0.0001 par value, 730,000,000 shares authorized, 137,722,917 issued and outstanding as of March 31, 2022; 730,000,000 shares authorized, 124,307,884 issued and outstanding as of December 31, 2021	14	12
Additional paid-in capital	812,443	763,087
Accumulated deficit	(722,552)	(663,681)
Total stockholders’ equity	89,905	99,418
Total liabilities, redeemable convertible preferred stock and stockholders’ equity	$ 434,202	$ 414,128