Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Current assets:
Cash	$ 14,244	$ 6,934
Restricted cash	50	50
Prepaid expenses and other current assets	870	316
Total current assets	15,164	7,300
Right of use asset, net	400	511
Property and equipment, net of accumulated depreciation of $1,122 and $1,048 in 2020 and 2019, respectively	157	210
Other assets	18	18
Total assets	15,739	8,039
Current liabilities:
Accounts payable	728	809
Accrued expenses and other current liabilities	1,352	964
Lease Liability	116	107
Total current liabilities	2,196	1,880
Lease Liability, net of current portion	295	411
Long-term debt	231	0
Total Liabilities	2,722	2,291
Commitments and contingencies (Note 8)
Stockholders' equity:
Preferred stock, $0.0001 par value, 10,000,000 shares authorized	0	0
Common stock, $0.0001 par value, 100,000,000 shares authorized; 5,780,973 and 669,433 shares issued and outstanding at December 31, 2020 and December 31, 2019, respectively	1	1
Additional paid-in capital	116,629	100,566
Accumulated deficit	(103,613)	(94,819)
Total stockholders' equity	13,017	5,748
Total liabilities and stockholders' equity	$ 15,739	$ 8,039