Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 34,461	$ 18,473
Prepaid expenses	300	490
Deferred offering costs		21
Other assets	68	25
Total current assets	34,829	19,009
Deposits	8	8
Total assets	34,837	19,017
Current liabilities:
Accounts payable	2,848	4,025
Accrued liabilities	1,054	1,010
Term loan - current portion	2,355	1,355
Total current liabilities	6,257	6,390
Term loan	7,760	8,683
Other liabilities	3	3
Total liabilities	14,020	15,076
Commitments and contingencies (Note 5)
Stockholders’ equity:
Preferred stock, $0.001 par value; 10,000,000 shares authorized as of March 31, 2018 and December 31, 2017, no shares issued or outstanding as of March 31, 2018 and December 31, 2017.
Common stock, $0.001 par value; 100,000,000 shares authorized as of March 31, 2018 and December 31, 2017, 14,232,313 and 10,633,042 shares issued and outstanding at March 31, 2018 and December 31, 2017, respectively.	22	18
Additional paid in capital	88,493	64,397
Accumulated deficit	(67,698)	(60,474)
Total stockholders’ equity	20,817	3,941
Total liabilities and stockholders’ equity	$ 34,837	$ 19,017