Condensed Consolidated Statements of Shareholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Preferred Stock	Additional Paid-In Capital	Treasury Stock	Accumulated Deficit	Accumulated Other Comprehensive Loss
Beginning balances (in shares) at Jan. 31, 2019		14,049	830
Beginning balances at Jan. 31, 2019	$ 56,678	$ 140	$ 18,330	$ 123,085	$ (16,860)	$ (63,973)	$ (4,044)
Net loss	(2,415)					(2,415)
Foreign currency translation	(450)						(450)
Preferred stock offering (in shares)			17
Preferred stock offering	409		$ 409
Preferred stock dividends	(471)					(471)
Stock-based compensation	172			172
Ending balances (in shares) at Apr. 30, 2019		14,049	847
Ending balances at Apr. 30, 2019	53,923	$ 140	$ 18,739	123,257	(16,860)	(66,859)	(4,494)
Beginning balances (in shares) at Jan. 31, 2020		14,097	994
Beginning balances at Jan. 31, 2020	47,652	$ 141	$ 22,104	123,964	(16,860)	(77,310)	(4,387)
Net loss	(6,642)					(6,642)
Foreign currency translation	(131)						(131)
Preferred stock dividends	(559)					(559)
Stock-based compensation	230			230
Ending balances (in shares) at Apr. 30, 2020		14,097	994
Ending balances at Apr. 30, 2020	$ 40,550	$ 141	$ 22,104	$ 124,194	$ (16,860)	$ (84,511)	$ (4,518)