Consolidated Statements of Changes in Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Preferred Stock	Additional Paid-In Capital	Treasury Stock	Retained Earnings (Accumulated Deficit)	Accumulated Other Comprehensive Income (Loss)	Common Stock Including Additional Paid-In Capital
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)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(11,287)					(11,287)
Foreign currency translation	(343)						(343)
Equity Compensation (in shares)		9
Equity Compensation	26	$ 1		25
Restricted stock issued (in shares)		39
Restricted stock forfeited for taxes	0
Stock offering (in shares)			164
Stock offering	3,774		$ 3,774
Preferred stock dividends	(2,050)					(2,050)
Stock-based compensation	854			854
Ending balances (in shares) at Jan. 31, 2020		14,097	994
Ending balances at Jan. 31, 2020	47,652	$ 141	$ 22,104	123,964	(16,860)	(77,310)	(4,387)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(20,306)					(20,306)
Foreign currency translation	31						31
Equity Compensation	0
Restricted stock issued (in shares)		0
Stock offering (in shares)		1,584	44
Stock offering		$ 16	$ 1,000	3,569				$ 3,585
Preferred stock dividends	(2,254)					(2,254)
Purchase of common stock	0
Stock-based compensation	708			708
Ending balances (in shares) at Jan. 31, 2021		15,681	1,038
Ending balances at Jan. 31, 2021	$ 30,416	$ 157	$ 23,104	$ 128,241	$ (16,860)	$ (99,870)	$ (4,356)