Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Current Assets:
Cash and cash equivalents	$ 18,257	$ 4,266
Short-Term Investments	0	27,331
Restricted cash	0	50
Refundable PDUFA fee	0	3,242
Prepaid expenses and other current assets	3,372	3,646
Total current assets	21,629	38,535
Property and equipment, net	71	438
Acquired intangible asset	2,258	2,258
Goodwill	881	881
Right-of-use lease assets	1,212	43
Other assets	90	1,881
Total Assets	26,141	44,036
Current Liabilities:
Accounts payable	1,375	3,581
Accrued expenses	3,449	9,754
Lease liabilities, current	133	44
Total current liabilities	4,957	13,379
Royalty purchase liability	151,049	139,635
Lease liabilities, net of current portion	1,117	0
Deferred tax liability	203	203
Total liabilities	157,326	153,217
Commitments (Note 9)
Stockholders’ Equity:
Preferred stock, $0.001 par value: 10,000,000 shares authorized; no shares issued and outstanding.	0	0
Common stock, $0.001 par value: 200,000,000 shares authorized; 54,392,170 and 28,510,066 shares issued and outstanding at December 31, 2023 and December 31, 2022, respectively	54	28
Additional paid-in capital	306,167	269,137
Accumulated other comprehensive loss	0	(22)
Accumulated deficit	(437,406)	(378,324)
Total stockholders’ equity	(131,185)	(109,181)
Total liabilities and stockholders' equity	$ 26,141	$ 44,036