Condensed Consolidated Statements of Stockholders' Deficit - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Treasury Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (in shares)		2,862,760
Beginning balance	$ (207,156)	$ 29	$ 42,245	$ 26,558	$ 0	$ (275,988)
Beginning balance (in shares)		2,884,143
Beginning balance	(207,609)	$ 29	42,943	25,590	12	(276,183)
Common shares issued under share-based compensation plans, net of shares withheld for employee taxes (in shares)		21,383
Common shares issued under share-based compensation plans, net of shares withheld for employee taxes	0		0
Shares withheld for taxes upon vesting of restricted stock	(195)					(195)
Amortization of preferred stock issuance costs	(51)			(51)
Share-based compensation	698		698
Currency translation adjustments, net	12				12
Net loss	(840)			(840)
Ending balance (in shares) at Mar. 31, 2019		2,884,143
Ending balance at Mar. 31, 2019	(207,609)	$ 29	42,943	25,590	12	(276,183)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (in shares)		2,884,143
Beginning balance	$ (207,609)	$ 29	42,943	25,590	12	(276,183)
Beginning balance (in shares)	1,598,512	2,897,177
Beginning balance	$ (207,928)	$ 29	44,646	23,662	(33)	(276,232)
Beginning balance (in shares)	1,626,259	2,936,739
Beginning balance	$ (211,531)	$ 29	45,127	19,863	(122)	(276,428)
Common shares issued under share-based compensation plans, net of shares withheld for employee taxes (in shares)		39,562
Common shares issued under share-based compensation plans, net of shares withheld for employee taxes	4		4
Shares withheld for taxes upon vesting of restricted stock	(196)					(196)
Amortization of preferred stock issuance costs	(42)			(42)
Share-based compensation	477		477
Currency translation adjustments, net	(89)				(89)
Net loss	$ (3,757)			(3,757)
Ending balance (in shares) at Mar. 31, 2020	1,626,259	2,936,739
Ending balance at Mar. 31, 2020	$ (211,531)	$ 29	45,127	19,863	(122)	(276,428)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (in shares)	1,626,259	2,936,739
Beginning balance	$ (211,531)	$ 29	$ 45,127	$ 19,863	$ (122)	$ (276,428)