Condensed Consolidated Statements of Operations - USD ($) $ in Thousands		3 Months Ended
		Apr. 30, 2020	Apr. 30, 2019
Operating expenses:
Research and development		$ 94	$ 2,199
Sales and marketing		143	264
General and administrative		1,378	1,177
Total operating expenses		1,615	3,640
Loss from operations		(1,615)	(3,640)
Change in fair value of warrant and common stock liability		35	9
Other income (expense), net		(431)	10
Loss before provision for income taxes		(2,011)	(3,621)
Provision for income taxes			2
Net Loss		$ (2,011)	$ (3,623)
Basic and diluted net loss per share	[1]	$ (1.34)	$ (4.61)
Shares used in computing basic and diluted net loss per share	[1]	1,502,000	786,000

[1] Note: Share and per share amounts presented above have been adjusted to reflect the impact of a 1-for-12 reverse stock split effected in May 2020 as discussed in Note 1.