Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
CURRENT ASSETS
Cash and cash equivalents	$ 98,192	$ 147,840
Restricted cash		31
Other current assets	1,399	3,661
Total current assets	99,591	151,532
Property and equipment, net	1,689	205
Operating lease right-of-use assets	2,086
Other assets	318	187
TOTAL ASSETS	103,684	151,924
LIABILITIES
Accounts payable	7,628	5,872
Accrued liabilities	5,848	3,251
Operating lease liabilities, current portion	516
Total current liabilities	13,992	9,123
Accrued milestone and royalty payments	1,932	2,050
Operating lease liabilities, long-term portion	1,821
Other liabilities		224
TOTAL LIABILITIES	17,745	11,397
Commitments and contingencies (Note 6)
STOCKHOLDERS? EQUITY
Preferred stock, $0.0001 par value, 5,500,000 shares authorized at September 30, 2019 and December 31, 2018; none issued at September 30, 2019 and December 31, 2018
Common stock, $0.0001 par value, 100,000,000 shares authorized at September 30, 2019 and December 31, 2018; 34,593,666 and 34,193,666 shares issued at September 30, 2019, and December 31, 2018, respectively	3	3
Additional paid in capital	228,532	225,352
Accumulated other comprehensive income	131	7
Accumulated deficit	(142,727)	(84,835)
TOTAL STOCKHOLDERS' EQUITY	85,939	140,527
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 103,684	$ 151,924