Consolidated Statements of Changes in Shareholders' 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)
Beginning balances (in shares) at Jan. 31, 2016		14,019	0
Beginning balances at Jan. 31, 2016	$ 105,037	$ 140	$ 0	$ 120,664	$ (16,854)	$ 13,188	$ (12,101)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(33,153)					(33,153)
Foreign currency translation	1,507						1,507
Restricted stock forfeited for taxes	(4)				(4)
Preferred stock offering (in shares)			343
Preferred stock offering	7,294		$ 7,294
Preferred stock dividends	(486)					(486)
Stock-based compensation	737			737
Ending balances (in shares) at Jan. 31, 2017		14,019	343
Ending balances at Jan. 31, 2017	80,932	$ 140	$ 7,294	121,401	(16,858)	(20,451)	(10,594)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(21,069)					(21,069)
Foreign currency translation	1,740						1,740
Restricted stock forfeited for taxes	(2)				(2)
Preferred stock offering (in shares)			189
Preferred stock offering	4,250		$ 4,250
Preferred stock dividends	(905)					(905)
Stock-based compensation	903			903
Ending balances (in shares) at Jan. 31, 2018		14,019	532
Ending balances at Jan. 31, 2018	65,849	$ 140	$ 11,544	122,304	(16,860)	(42,425)	(8,854)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(19,840)					(19,840)
Foreign currency translation	4,810						4,810
Restricted stock issued (in shares)		30
Restricted stock issued	0
Preferred stock offering (in shares)			298
Preferred stock offering	6,786		$ 6,786
Preferred stock dividends	(1,708)					(1,708)
Stock-based compensation	781			781
Ending balances (in shares) at Jan. 31, 2019		14,049	830
Ending balances at Jan. 31, 2019	$ 56,678	$ 140	$ 18,330	$ 123,085	$ (16,860)	$ (63,973)	$ (4,044)