Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 238,480	$ 69,767
Short-term investments	56,619	101,079
Accounts receivable, net	14,901	16,801
Inventory	28,545	21,772
Prepaid expenses and other current assets	34,848	25,477
Total current assets	373,393	234,896
Property and equipment, net	84,220	45,126
Goodwill	1,931	2,428
Other intangible asset	1,073	1,153
Long-term investments	7,155	1,961
Other assets	7,426	9,718
Total assets	475,198	295,282
Current liabilities:
Accounts payable	9,580	11,052
Accrued expenses and other current liabilities	42,036	35,553
Financing liability — current	9,809	9,565
Midcap credit facility - current	20,000
Liability for sale of future royalties - current	9,756
Deferred revenue — current	9,085	1,733
Recognized loss on purchase commitments — current	3,859	9,393
Total current liabilities	104,125	67,296
Mann Group convertible note	8,829	8,829
Accrued interest - Mann Group convertible note	56	55
Financing liability — long term	94,319	94,512
Midcap credit facility - long term	13,019	39,264
Senior convertible notes	226,851	225,397
Liability for sale of future royalties - long term	136,054
Recognized loss on purchase commitments — long term	60,942	62,916
Operating lease liability	3,925	5,343
Deferred revenue — long term	69,794	37,684
Milestone liabilities	3,452	4,524
Total liabilities	721,366	545,820
Commitments and contingencies (Note 16)
Stockholders' deficit:
Undesignated preferred stock, $0.01 par value - 10,000,000 shares authorized; no shares issued or outstanding at December 31, 2023 and 2022
Common stock, $0.01 par value - 800,000,000 and 400,000,000 shares authorized as of December 31, 2023 and 2022, respectively, and 270,034,495 and 263,793,305 shares issued and outstanding as of December 31, 2023 and 2022, respectively	2,700	2,638
Additional paid-in capital	2,980,539	2,964,293
Accumulated deficit	(3,229,407)	(3,217,469)
Total stockholders' deficit	(246,168)	(250,538)
Total liabilities and stockholders' deficit	$ 475,198	$ 295,282