CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 115,054	$ 126,184
Accounts receivable	3,000	0
Research and development incentive receivable	416	1,998
Prepaid expenses and other current assets	3,480	1,096
Total current assets	121,950	129,278
Property and equipment, net	475	403
Goodwill	27,109	27,109
Right-of-use assets	1,803	1,959
Other assets	2,380	1,949
Total assets	153,717	160,698
Current liabilities:
Accounts payable	1,248	2,088
Accrued expenses	5,786	6,461
Current portion of lease liability	916	898
Total current liabilities	7,950	9,447
Long-term debt, including accretion, net of discount and current portion	25,266	20,097
Lease liability	1,684	1,918
Other liabilities	26	16
Total liabilities	34,926	31,478
Commitments and contingencies (Note 9)
Stockholders’ equity:
Common stock, $0.001 par value. 33,333,333 shares authorized as of March 31, 2020 and December 31, 2019, respectively; 16,141,868 and 16,128,862 shares issued and outstanding as of March 31, 2020 and December 31, 2019, respectively	16	16
Additional paid-in capital	262,076	261,367
Accumulated other comprehensive loss	(119)	(119)
Accumulated deficit	(143,182)	(132,044)
Total stockholders’ equity	118,791	129,220
Total liabilities and stockholders’ equity	$ 153,717	$ 160,698