Condensed Balance Sheets - USD ($)	Mar. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 18,891,000	$ 61,695,000
Short-term investments	26,586,000
Prepaid expenses and other current assets	2,045,000	528,000
Total current assets	47,522,000	62,223,000
Property and equipment, net	165,000	81,000
Restricted cash	216,000	0
Prepaid and other long term assets		12,000
Long-term investments	11,843,000
Right-of-use asset	129,000	210,000
Total assets	59,875,000	62,526,000
Current liabilities:
Accounts payable	969,000	727,000
Accrued liabilities	2,777,000	633,000
Loan payable	36,000	36,000
Lease liability	137,000	223,000
Total current liabilities	3,919,000	1,619,000
Total liabilities	3,919,000	1,619,000
Commitments and contingencies (Note 9)
Stockholders' equity
Common stock, $0.0001 par value; 25,300,080 shares authorized as of March 31, 2021 and December 31, 2020;12,004,633 and 11,953,107 shares issued and outstanding as of March 31, 2021 and December 31, 2020	1,000	1,000
Additional paid-in capital	14,262,000	13,343,000
Accumulated other comprehensive loss	(15,000)
Accumulated deficit	(14,027,000)	(8,175,000)
Total stockholders' equity	221,000	5,169,000
Total liabilities and stockholders' equity	59,875,000	62,526,000
Series A Convertible Preferred Stock
Current liabilities:
Series A convertible preferred stock, $0.0001 par value; 7,064,925 shares authorized as of March 31, 2021 and December 31, 2020; 7,064,925 shares issued and outstanding as of March 31, 2021 and December 31, 2020	$ 55,735,000	$ 55,738,000