Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
ASSETS
Cash and cash equivalents	$ 504,389	$ 272,127
Restricted cash	3,345	2,221
Investments	3,212	28,239
Trade receivables	29,413	8,646
Inventory	15,791	7,039
Prepaid expenses and other current assets	9,986	5,528
Total current assets	566,136	323,800
Property and equipment, net	8,714	7,113
Long-term investments	6,829
Other assets	6,472	3,802
Total assets	588,151	334,715
LIABILITIES AND STOCKHOLDERS’ DEFICIT
Accounts payable	27,808	18,713
Accrued expenses	72,670	33,942
Interest payable		21,670
Deferred revenue	1,421	150
Lease financing obligation	1,819	1,179
Non-recourse notes payable		30,000
Total current liabilities	103,718	105,654
Royalty financing obligations	449,375	124,717
Non-current operating lease liabilities	5,962	3,871
Secured term loan	136,082	119,735
Stockholders’ deficit:
Preferred stock, $0.01 par value; shares authorized — 5,000; no shares outstanding	0	0
Common stock, $0.01 par value; shares authorized — 450,000 Issued and outstanding – 184,350 and 176,883 at December 31, 2021 and 2020, respectively	1,843	1,769
Additional paid-in capital	1,098,498	1,002,408
Accumulated other comprehensive income	177	3
Accumulated deficit	(1,207,504)	(1,023,442)
Total stockholders’ deficit	(106,986)	(19,262)
Total liabilities and stockholders’ deficit	$ 588,151	$ 334,715