Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 17,531	$ 30,776
Investments in marketable short-term securities	116,649	116,137
Accounts receivable	2,171	1,352
Prepaid expenses and other current assets	5,256	2,874
Total current assets	141,607	151,139
Property and equipment, net of accumulated depreciation of $11,541 (December 31, 2022: $10,801)	5,033	5,070
Investments in marketable securities, non-current	10,496	37,363
Right of use asset	1,502	1,744
Other non-current assets	3	103
Total assets	158,641	195,419
Current liabilities:
Accounts payable and accrued liabilities	9,806	16,029
Deferred license revenue, current	12,106	16,456
Lease liability, current	412	372
Total current liabilities	22,324	32,857
Liability related to sale of future royalties	8,110	10,365
Contingent consideration	7,373	7,531
Deferred license revenue, non-current	0	5,999
Lease liability, non-current	1,497	1,815
Total liabilities	39,304	58,567
Stockholders’ equity
Issued and outstanding: 167,695,247 (December 31, 2022: 157,455,363)	1,346,015	1,318,737
Additional paid-in capital	79,546	72,406
Deficit	(1,257,340)	(1,203,803)
Accumulated other comprehensive loss	(48,884)	(50,488)
Total stockholders’ equity	119,337	136,852
Total liabilities and stockholders’ equity	$ 158,641	$ 195,419