CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jan. 31, 2016	Jan. 31, 2015
Current assets:
Cash and cash equivalents	$ 4,039	$ 1,305
Accounts receivable, net	7	1
Inventories	100	160
Prepaid expenses and other current assets	285	239
Total current assets	4,431	1,705
Property and equipment, net	216	234
Intangible assets, net	119	149
Other assets	50	50
Restricted cash	35	35
Total assets	4,851	2,173
Current liabilities:
Accounts payable	1,777	1,152
Accrued liabilities and other current liabilities	795	187
Related party payables	225	218
Total current liabilities	$ 2,797	$ 1,557
Commitments and contingencies (Note 5)
Stockholders' equity (deficit):
Common stock, $0.001 par value; 90,000,000 shares authorized; 25,208,684 and 11,415,416 shares issued and outstanding as of January 31, 2016 and 2015, respectively	$ 25	$ 11
Additional paid in capital	28,261	4,416
Accumulated deficit	(26,232)	(10,634)
Total stockholders' equity (deficit)	2,054	(6,207)
Total liabilities, convertible redeemable preferred stock and stockholders' equity (deficit)	$ 4,851	2,173
Series A Convertible Redeemable Preferred Stock
Current liabilities:
Series A convertible redeemable preferred stock, $0.001 par value; 10,000,000 shares authorized; none issued and outstanding as of January 31, 2016 and 4,207,987 issued and outstanding as of January 31, 2015 (liquidation preference of $8.0 million as of January 31, 2015)		$ 6,823