Condensed Consolidated Balance Sheets - USD ($)	Mar. 31, 2022	Dec. 31, 2021
Current assets
Cash and cash equivalents	$ 46,408,000	$ 10,288,000
Awards receivable	1,236,000	2,989,000
Prepaid expenses and other current assets	1,055,000	1,718,000
Total current assets	48,699,000	14,995,000
Restricted cash	5,960,000	1,200,000
Property and equipment, net	2,249,000	2,220,000
Operating lease right-of-use asset	35,416,000	35,852,000
In-process research and development	10,256,000	10,256,000
Goodwill	3,490,000	3,490,000
Other assets	1,695,000	1,755,000
Total assets	107,765,000	69,768,000
Current liabilities
Accounts payable and accrued liabilities	3,437,000	2,270,000
Accrued compensation	1,269,000	1,035,000
Current portion of operating lease liabilities	1,520,000	1,509,000
Total current liabilities	6,226,000	4,814,000
Operating lease liabilities, net of current portion	36,923,000	36,480,000
Deferred tax liability	3,077,000	3,077,000
Total liabilities	46,226,000	44,371,000
Stockholders' equity
Common stock, $0.01 par value; 217,000,000 shares authorized; 36,112,053 and 27,112,299 shares issued and outstanding at March 31, 2022 and December 31, 2021, respectively	361,000	271,000
Additional paid-in capital	272,809,000	227,983,000
Accumulated deficit	(211,631,000)	(202,857,000)
Total stockholders' equity	61,539,000	25,397,000
Total liabilities and stockholders' equity	$ 107,765,000	$ 69,768,000