Consolidated Statement of Deficit Consolidated Statement of Deficit - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Treasury stock, beginning balance (in shares)	(1,313,836)
Stockholders equity, beginning balance	$ (36,568)	$ (22,304)
Foreign exchange translation	6	4
Stock-based compensation	11	86
Preferred stock dividends paid with common stock	0	0
Net loss	$ (5,039)	(3,283)
Treasury stock, ending balance (in shares)	(1,313,836)
Stockholders equity, ending balance	$ (41,590)	$ (25,497)
Preferred Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Preferred stock, beginning balance (in shares)	7	7
Stockholders equity, beginning balance	$ 3,559	$ 3,559
Preferred stock, ending balance (in shares)	7	7
Stockholders equity, ending balance	$ 3,559	$ 3,559
Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock, beginning balance (in shares)	35,678,597	34,948,139
Stockholders equity, beginning balance	$ 36	$ 35
Preferred stock dividends paid with common stock (in shares)	45,390	64,194
Common stock, ending balance (in shares)	35,723,987	35,012,333
Stockholders equity, ending balance	$ 36	$ 35
Treasury Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Treasury stock, beginning balance (in shares)	(1,313,836)	(1,313,836)
Stockholders equity, beginning balance	$ (11,603)	$ (11,603)
Treasury stock, ending balance (in shares)	(1,313,836)	(1,313,836)
Stockholders equity, ending balance	$ (11,603)	$ (11,603)
Additional Paid-In Capital
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stockholders equity, beginning balance	368,531	366,223
Stock-based compensation	11	86
Preferred stock dividends paid with common stock	89	89
Stockholders equity, ending balance	368,631	366,398
Accumulated Deficit
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stockholders equity, beginning balance	(395,814)	(379,225)
Preferred stock dividends paid with common stock	(89)	(89)
Net loss	(5,033)	(3,267)
Stockholders equity, ending balance	(400,936)	(382,581)
Accumulated Other Comprehensive Loss
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stockholders equity, beginning balance	10	(38)
Foreign exchange translation	6	4
Stockholders equity, ending balance	16	(34)
Total Stockholders’ Deficit
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stockholders equity, beginning balance	(35,281)	(21,049)
Foreign exchange translation	6	4
Stock-based compensation	11	86
Net loss	(5,033)	(3,267)
Stockholders equity, ending balance	(40,297)	(24,226)
Non-Controlling Interest
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stockholders equity, beginning balance	(1,287)	(1,255)
Net loss	(6)	(16)
Stockholders equity, ending balance	$ (1,293)	$ (1,271)