Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 18,473	$ 24,033
Prepaid expenses	490	713
Deferred offering costs	21
Other assets	25
Total current assets	19,009	24,746
Deposits	8	8
Total assets	19,017	24,754
Current liabilities:
Accounts payable	4,025	2,008
Accrued liabilities	1,010	2,113
Term loan - current portion	1,355
Total current liabilities	6,390	4,121
Term loan	8,683
Other liabilities	3	1
Total liabilities	15,076	4,122
Commitments and contingencies (Note 5)
Stockholders’ equity:
Preferred stock, $0.001 par value; 10,000,000 shares authorized as of December 31, 2017 and 2016, no shares issued or outstanding as of December 31, 2017 and 2016.
Common stock, $0.001 par value; 100,000,000 shares authorized as of December 31, 2017 and 2016, 10,633,042 and 9,270,255 shares issued and outstanding at December 31, 2017 and 2016, respectively.	18	17
Additional paid in capital	64,397	47,674
Accumulated deficit	(60,474)	(27,059)
Total stockholders’ equity	3,941	20,632
Total liabilities and stockholders’ equity	$ 19,017	$ 24,754