Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 48,309	$ 47,698
Short-term investments	41,969	40,524
Prepaid expenses and other current assets	2,418	2,183
Total current assets	92,696	90,405
Property and equipment, net	250	349
Right of use assets - operating leases	525
Other assets	175	88
Total assets	93,646	90,842
Current liabilities:
Accounts payable	2,360	1,971
Accrued expenses and other current liabilities	4,604	4,276
Operating lease liability, current	246
Total current liabilities	7,210	6,247
Deferred rent		160
Operating lease liability, non-current	406
Total liabilities	7,616	6,407
Commitments and contingencies (Note 8)
Stockholders' equity:
Preferred stock, $0.001 par value per share; 10,000,000 shares authorized; no shares issued or outstanding as of December 31, 2021 and December 31, 2020
Common stock, par value of $0.001 per share; 200,000,000 shares authorized; 26,287,264 and 17,548,263 shares issued and outstanding as of December 31, 2021 and 2020, respectively	27	18
Additional paid-in capital	233,516	180,526
Accumulated other comprehensive (loss) income	(16)	4
Accumulated deficit	(147,497)	(96,113)
Total stockholders' equity	86,030	84,435
Total liabilities and stockholders’ equity	$ 93,646	$ 90,842