Consolidated Statement of Deficit Consolidated Statement of Deficit - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2018	Jun. 30, 2018	Sep. 30, 2018
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Treasury stock, beginning balance (in shares)		(1,313,836)	(1,313,836)
Stockholders equity, beginning balance	$ (25,497)	$ (22,304)	$ (22,304)
Foreign exchange translation	12	4
Stock-based compensation	317	86
Preferred stock dividends paid with common stock	0	0
Net loss	$ (3,487)	(3,283)	$ (6,770)
Treasury stock, ending balance (in shares)	(1,313,836)		(1,313,836)
Stockholders equity, ending balance	$ (28,655)	$ (25,497)	$ (28,655)
Preferred Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Preferred stock, beginning balance (in shares)	7	7	7
Stockholders equity, beginning balance	$ 3,559	$ 3,559	$ 3,559
Preferred stock, ending balance (in shares)	7	7	7
Stockholders equity, ending balance	$ 3,559	$ 3,559	$ 3,559
Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock, beginning balance (in shares)	35,012,333	34,948,139	34,948,139
Stockholders equity, beginning balance	$ 35	$ 35	$ 35
Preferred stock dividends paid with common stock (in shares)	56,869	64,194
Common stock, ending balance (in shares)	35,069,202	35,012,333	35,069,202
Stockholders equity, ending balance	$ 35	$ 35	$ 35
Additional Paid-In Capital
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stockholders equity, beginning balance	366,398	366,223	366,223
Stock-based compensation	317	86
Preferred stock dividends paid with common stock	89	89
Stockholders equity, ending balance	$ 366,804	$ 366,398	$ 366,804
Treasury Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Treasury stock, beginning balance (in shares)	(1,313,836)	(1,313,836)	(1,313,836)
Stockholders equity, beginning balance	$ (11,603)	$ (11,603)	$ (11,603)
Treasury stock, ending balance (in shares)	(1,313,836.000)	(1,313,836)	(1,313,836.000)
Stockholders equity, ending balance	$ (11,603)	$ (11,603)	$ (11,603)
Accumulated Deficit
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stockholders equity, beginning balance	(382,581)	(379,225)	(379,225)
Preferred stock dividends paid with common stock	(89)	(89)
Net loss	(3,479)	(3,267)
Stockholders equity, ending balance	(386,149)	(382,581)	(386,149)
Accumulated Other Comprehensive Loss
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stockholders equity, beginning balance	(34)	(38)	(38)
Foreign exchange translation	12	4
Stockholders equity, ending balance	(22)	(34)	(22)
Total Stockholders’ Deficit
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stockholders equity, beginning balance	(24,226)	(21,049)	(21,049)
Foreign exchange translation	12	4
Stock-based compensation	317	86
Net loss	(3,479)	(3,267)
Stockholders equity, ending balance	(27,376)	(24,226)	(27,376)
Non-Controlling Interest
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stockholders equity, beginning balance	(1,271)	(1,255)	(1,255)
Net loss	(8)	(16)
Stockholders equity, ending balance	$ (1,279)	$ (1,271)	$ (1,279)