CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 3,340	$ 7,277
Restricted cash and cash equivalents	100	100
Stock subscription receivable	0	308
Prepaid expenses and other current assets	1,789	557
Total current assets	5,229	8,242
Operating lease right-of-use asset	984	217
In-process research and development	5,700	5,700
Goodwill	1,914	1,914
Deposits and other assets	687	536
Total assets	14,514	16,609
Current liabilities:
Accounts payable	2,426	3,902
Accrued expenses and other current liabilities	1,809	1,171
Operating lease liability	90	217
Total current liabilities	4,325	5,290
Operating lease liability, non-current	918	0
Deferred tax liability	262	262
Warrant liability	33	52
Contingent consideration	5,193	4,912
Total liabilities	10,731	10,516
Commitments and contingencies (Note 6)
Stockholders’ equity:
Preferred stock, $0.0001 par value; 5,000,000 shares authorized; Series A convertible preferred stock, 17,500 shares designated; no shares issued and outstanding at June 30, 2020 and December 31, 2019	0	0
Common stock, $0.0001 par value; 350,000,000 shares authorized, 6,717,900 and 5,080,100 shares issued and outstanding at June 30, 2020 and December 31, 2019, respectively.	7	5
Additional paid-in capital	113,491	107,235
Accumulated deficit	(109,715)	(101,147)
Total stockholders’ equity	3,783	6,093
Total liabilities and stockholders’ equity	$ 14,514	$ 16,609