Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 5,232	$ 4,327
Royalty receivable, current portion	2,908	3,090
Prepaid and other current assets	3,683	4,035
Current assets of discontinued operations		344
Total current assets	11,823	11,796
License rights and other intangible assets, net	4,524	6,098
Right of use assets	6,497	6,873
Royalty receivable, long term	17,224	18,484
Other non-current assets	58	58
Total assets	40,126	43,309
Current liabilities:
Accounts payable	143	27
Accrued expenses and other current liabilities	2,676	3,133
Current liabilities of discontinued operations	2,996	3,694
Total current liabilities	5,815	6,854
Operating lease liabilities	6,004	6,532
Other non-current liabilities	637	636
Total liabilities	12,456	14,022
Commitments and contingencies (Note 6)
Stockholders’ equity:
Common stock, par value $0.001; 32,000 shares authorized, 11,532 issued and outstanding as of June 30, 2024 and December 31, 2023	11	11
Additional paid-in capital	979,124	978,917
Accumulated deficit	(951,465)	(949,641)
Total stockholders’ equity	27,670	29,287
Total liabilities and stockholders’ equity	$ 40,126	$ 43,309