Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 86,184	$ 69,767
Short-term investments	58,163	101,079
Accounts receivable, net	27,789	16,801
Inventory	25,290	21,772
Prepaid expenses and other current assets	32,807	25,477
Total current assets	230,233	234,896
Property and equipment, net	69,510	45,126
Goodwill	1,931	2,428
Other intangible asset	1,113	1,153
Long-term investments	2,282	1,961
Other assets	8,353	9,718
Total assets	313,422	295,282
Current liabilities:
Accounts payable	17,127	11,052
Accrued expenses and other current liabilities	36,833	35,553
Financing liability — current	9,686	9,565
Midcap credit facility - current	16,667
Deferred revenue — current	3,489	1,733
Recognized loss on purchase commitments — current	13,164	9,393
Total current liabilities	96,966	67,296
Mann Group convertible note	8,829	8,829
Accrued interest - Mann Group convertible note	55	55
Financing liability — long term	94,395	94,512
Midcap credit facility - long term	22,811	39,264
Senior convertible notes	226,124	225,397
Recognized loss on purchase commitments — long term	56,063	62,916
Operating lease liability	4,646	5,343
Deferred revenue — long term	60,248	37,684
Milestone liabilities	3,772	4,524
Total liabilities	573,909	545,820
Commitments and contingencies (Note 15)
Stockholders' deficit:
Undesignated preferred stock, $0.01 par value - 10,000,000 shares authorized; no shares issued or outstanding as of June 30, 2023 and December 31, 2022
Common stock, $0.01 par value - 800,000,000 and 400,000,000 shares authorized as of June 30, 2023 and December 31, 2022, respectively, and 268,235,145 and 263,793,305 shares issued and outstanding as of June 30, 2023 and December 31, 2022, respectively	2,682	2,638
Additional paid-in capital	2,968,917	2,964,293
Accumulated other comprehensive income	443
Accumulated deficit	(3,232,529)	(3,217,469)
Total stockholders' deficit	(260,487)	(250,538)
Total liabilities and stockholders' deficit	$ 313,422	$ 295,282