Condensed Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 23,806	$ 18,473
Prepaid expenses	1,033	490
Deferred offering costs	9	21
Other assets	14	25
Total current assets	24,862	19,009
Deposits	8	8
Total assets	24,870	19,017
Current liabilities:
Accounts payable	2,351	4,025
Accrued liabilities	1,585	1,010
Term loan - current portion	3,681	1,355
Total current liabilities	7,617	6,390
Long-term liabilities:
Term loan	6,398	8,683
Other liabilities	2	3
Total liabilities	14,017	15,076
Commitments and contingencies (Note 5)
Stockholders’ equity:
Preferred stock, $0.001 par value; 10,000,000 shares authorized as of September 30, 2018 and December 31, 2017, no shares issued or outstanding as of September 30, 2018 and December 31, 2017.
Common stock, $0.001 par value; 100,000,000 shares authorized as of September 30, 2018 and December 31, 2017, 14,265,411 and 10,633,042 shares issued and outstanding at September 30, 2018 and December 31, 2017, respectively.	22	18
Additional paid in capital	91,286	64,397
Accumulated deficit	(80,455)	(60,474)
Total stockholders’ equity	10,853	3,941
Total liabilities and stockholders’ equity	$ 24,870	$ 19,017