Consolidated Balance Sheets - USD ($)	Mar. 31, 2021	Dec. 31, 2020
Current assets
Cash and cash equivalents	$ 22,455,000	$ 9,649,000
Awards receivable	1,125,000	561,000
Prepaid expenses and other current assets	459,000	636,000
Total current assets	24,039,000	10,846,000
Restricted cash	1,200,000	1,200,000
Property and equipment, net	2,115,000	2,047,000
Operating lease right-of-use asset	10,696,000	10,790,000
In-process research and development	10,256,000	10,256,000
Goodwill	3,490,000	3,490,000
Other assets	1,049,000	887,000
Total assets	52,845,000	39,516,000
Current liabilities
Accounts payable and accrued liabilities	1,756,000	1,929,000
Accrued compensation	893,000	563,000
Deferred asset acquisition consideration		1,940,000
Current portion of operating lease liabilities	1,608,000	1,551,000
PPP Loan	724,000	722,000
Total current liabilities	4,981,000	6,705,000
Operating lease liabilities, net of current portion	10,775,000	10,877,000
Deferred tax liability	3,077,000	3,077,000
Total liabilities	18,833,000	20,659,000
Stockholders' equity
Common stock, $0.01 par value; 217,000,000 shares authorized; 24,940,442 and 18,688,461 shares issued and outstanding at March 31, 2021 and December 31, 2020, respectively	249,000	187,000
Additional paid-in capital	218,960,000	198,372,000
Accumulated deficit	(185,197,000)	(179,702,000)
Total stockholders' equity	34,012,000	18,857,000
Total liabilities and stockholders' equity	$ 52,845,000	$ 39,516,000