Condensed Consolidated Statements of Changes in Stockholders' Equity - USD ($)	Common Stock	Additional paid in capital	Accumulated deficit	Total
Beginning balance at Jan. 31, 2018	$ 200,000	$ 81,777,000	$ (72,125,000)	$ 9,852,000
Beginning balance (in shares) at Jan. 31, 2018	20,005,977
Statement of changes in stockholders' equity
Surrender of stock upon vesting of restricted stock to satisfy tax withholding obligations		(47,000)		(47,000)
Surrender of stock upon vesting of restricted stock to satisfy tax withholding obligations (in shares)	(26,062)
Conversion of Series A Preferred Stock	$ 1,000	163,000		164,000
Conversion of Series A Preferred Stock (in shares)	54,531
Share-based compensation expense		222,000		222,000
Net income (loss)			(569,000)	(569,000)
Ending balance at Apr. 30, 2018	$ 201,000	82,115,000	(71,254,000)	11,062,000
Ending balance (in shares) at Apr. 30, 2018	20,034,446
Statement of changes in stockholders' equity
Cumulative effect of ASC 606 implementation			1,440,000	1,440,000
Beginning balance at Jan. 31, 2019	$ 208,000	82,544,000	(76,550,000)	6,202,000
Beginning balance (in shares) at Jan. 31, 2019	20,767,708
Statement of changes in stockholders' equity
Restricted stock issued	$ 1,000	(1,000)
Restricted stock issued (in shares)	140,000
Restricted stock forfeited (in shares)	(5,367)
Share-based compensation expense		269,000		269,000
Net income (loss)			313,000	313,000
Ending balance at Apr. 30, 2019	$ 209,000	$ 82,812,000	$ (76,237,000)	$ 6,784,000
Ending balance (in shares) at Apr. 30, 2019	20,902,341