Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total	Preferred Stock	Common Stock	Additional Paid-In Capital	Accumulated Deficit	Accumulated Other Comprehensive (Loss) Income
Balances (in shares) at Mar. 31, 2016		295,480	18,359,397
Balances at Mar. 31, 2016	$ 39,596	$ 14,674	$ 1	$ 90,993	$ (56,537)	$ (9,535)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(18,228)				(18,228)
Preferred stock dividends	(1,643)				(1,643)
Restricted stock issued (Note 17) (in shares)		0	103,301
Restricted stock issued (Note 18)	96	$ 0	$ 0	96	0	0
Unrestricted stock issued (Note 17) (in shares)		0	161,733
Unrestricted stock issued (Note 18)	143	$ 0	$ 0	143	0	0
Restricted stock units granted (in shares)			8,718
Restricted stock units granted	60	$ 0	$ 0	60	0	0
Stock options issued	56			56	0	0
Translation adjustment	(820)					(820)
Balances (in shares) at Mar. 31, 2017		295,480	18,633,149
Balances at Mar. 31, 2017	19,260	$ 14,674	$ 1	91,348	(76,408)	(10,355)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(5,113)				(5,113)
Preferred stock dividends	(470)				(470)
Stock options issued	9			9	0	0
Translation adjustment	(12)					(12)
Balances (in shares) at Jun. 30, 2017		295,480	18,633,149
Balances at Jun. 30, 2017	$ 13,674	$ 14,674	$ 1	$ 91,357	$ (81,991)	$ (10,367)