Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 28,039	$ 18,473
Prepaid expenses	719	490
Deferred offering costs		21
Other assets	40	25
Total current assets	28,798	19,009
Deposits	8	8
Total assets	28,806	19,017
Current liabilities:
Accounts payable	2,569	4,025
Accrued liabilities	994	1,010
Term loan - current portion	2,652	1,355
Total current liabilities	6,215	6,390
Term loan	7,540	8,683
Other liabilities	3	3
Total liabilities	13,758	15,076
Commitments and contingencies (Note 5)
Stockholders’ equity:
Preferred stock, $0.001 par value; 10,000,000 shares authorized as of June 30, 2018 and December 31, 2017, no shares issued or outstanding as of June 30, 2018 and December 31, 2017.
Common stock, $0.001 par value; 100,000,000 shares authorized as of June 30, 2018 and December 31, 2017, 14,232,313 and 10,633,042 shares issued and outstanding at June 30, 2018 and December 31, 2017, respectively.	22	18
Additional paid in capital	89,402	64,397
Accumulated deficit	(74,376)	(60,474)
Total stockholders’ equity	15,048	3,941
Total liabilities and stockholders’ equity	$ 28,806	$ 19,017