Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Current assets:
Cash and cash equivalents	$ 6,069	$ 5,059
Royalty receivable, current portion	3,743	3,562
Prepaid and other current assets	3,649	3,638
Total current assets	13,461	12,259
License rights and other intangible assets, net	4,043	4,321
Right of use assets	5,732	6,102
Royalty receivable, long term	14,840	16,010
Other non-current assets	428	130
Total assets	38,504	38,822
Current liabilities:
Accounts payable	350	258
Accrued expenses and other current liabilities	1,590	2,127
Current liabilities of discontinued operations	2,722	2,781
Total current liabilities	4,662	5,166
Operating lease liabilities	5,718	5,542
Other non-current liabilities	832	744
Total liabilities	11,212	11,452
Commitments and contingencies (Note 6)
Stockholders' equity:
Common stock, par value $0.001; 32,000 shares authorized, 11,574 and 11,532 issued and outstanding as of June 30, 2025 and December 31, 2024	11	11
Additional paid-in capital	979,205	979,181
Accumulated deficit	(951,924)	(951,822)
Total stockholders' equity	27,292	27,370
Total liabilities and stockholders' equity	$ 38,504	$ 38,822