CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 3,891	$ 16,284
Research and development incentive receivable	185	836
Prepaid expenses and other current assets	165	202
Total current assets	4,241	17,322
Property and equipment, net	124	86
Right of use asset	1,026
Deferred tax assets	127	124
Deferred offering costs	831	162
Deposits	1,099	1,380
Total assets	7,448	19,074
Current liabilities:
Accounts payable	4,571	3,579
Accrued expenses	3,441	2,872
Lease liability - current portion	474
Total current liabilities	8,486	6,451
Non current liabilities:
Warrant liability		3,448
Restricted stock liability	159
Lease liability, net of current portion	552
Total liabilities	9,197	9,899
Stockholders' equity (deficiency):
Common stock, $0.001 par value; 100,000,000 shares authorized, 24,194,877 and 14,703,159 shares issued and outstanding as of December 31, 2019 and 2018, respectively	24	15
Additional paid-in capital	193,319	162,393
Accumulated other comprehensive income	76	302
Accumulated deficit	(195,168)	(153,535)
Total stockholders' equity (deficiency)	(1,749)	9,175
Total liabilities and stockholders' equity (deficiency)	$ 7,448	$ 19,074