CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Apr. 30, 2019	Jan. 31, 2019
Current assets:
Cash and cash equivalents	$ 3,283	$ 3,069
Prepaid expenses and other current assets	250	316
Total current assets	3,533	3,385
Property and equipment, net	140	148
Operating lease right-of-use asset, net	1,136
Other assets	121	121
Total assets	4,930	3,654
Current liabilities:
Accounts payable	1,185	1,363
Accrued expenses and other current liabilities	1,346	934
Total current liabilities	2,531	2,297
Long-term liabilities:
Non-current operating lease liability	956
Other long-term liabilities	19	59
Total liabilities	3,506	2,356
Commitments and contingencies (Note 5)
Stockholders’ equity:
Series A convertible preferred stock, $0.001 par value; 10,000,000 shares authorized; none issued and outstanding as of April 30, 2019 and January 31, 2019
Common stock, $0.001 par value; 450,000,000 shares authorized; 10,480,079 and 8,732,612 shares issued and outstanding as of April 30, 2019 and January 31, 2019, respectively	10	9
Additional paid-in capital	83,571	79,823
Accumulated deficit	(82,157)	(78,534)
Total stockholders' equity	1,424	1,298
Total liabilities and stockholders' equity	$ 4,930	$ 3,654