Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 180,971	$ 248,107
Accounts receivable, net	1,849	3,272
Inventory	2,096	194
Prepaid expenses	8,170	5,261
Other current assets	2,666	12,096
Total current assets	195,752	268,930
Property and equipment, net	1,388	668
Goodwill	17,260	17,260
Other assets	14,614	15,193
Total assets	229,014	302,051
Current liabilities:
Accounts payable	5,394	6,516
Accrued expenses	23,034	35,951
Current portion of note payable, net of discount	10,158
Other current liabilities	5,005	2,880
Total current liabilities	43,591	45,347
Liability related to sale of future royalties	61,493	60,132
Note payable, net of discount		10,004
Other long-term liabilities	10,253	10,960
Total liabilities	115,337	126,443
Stockholders' Equity:
Preferred stock, $0.01 par value per share - 50,000,000 shares authorized at March 31, 2022 and December 31, 2021; 0 and 0 shares issued and outstanding at March 31, 2022 and December 31, 2021, respectively
Common stock, $0.01 par value per share - 60,000,000 shares authorized at March 31, 2022 and December 31, 2021; 19,527,920 and 19,520,160 shares issued and outstanding at March 31, 2022, respectively, and 19,304,312 and 19,296,552 shares issued and outstanding at December 31, 2021, respectively	196	193
Additional paid-in capital	488,692	475,390
Accumulated other comprehensive income	8,252	1,105
Accumulated deficit	(383,233)	(300,850)
Treasury stock at cost, 7,760 shares at March 31, 2022 and December 31 2021, respectively	(230)	(230)
Total stockholders' equity	113,677	175,608
Total liabilities and stockholders' equity	$ 229,014	$ 302,051