Business Segment Information - Reconciliation of total segment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Business Segments
Total income from reportable segments	$ (1,134)	$ (593)	$ (2,148)	$ (1,008)
Amortization of intangible assets	(92)	(102)	(276)	(341)
Change in fair value of acquisition contingent consideration		(1)		(9)
Other (expense) income, net	(3)	(8)	1	(11)
Interest income, net	3	6	10	2
Loss from continuing operations before income taxes	(1,134)	(595)	(2,137)	(1,017)
Operating segments
Business Segments
Total income from reportable segments	776	979	3,727	4,830
Unallocated amounts
Business Segments
Corporate and other expenses	(1,818)	(1,469)	(5,599)	(5,488)
Amortization of intangible assets	(92)	(102)	(276)	(341)
Change in fair value of acquisition contingent consideration		(1)		(9)
Other (expense) income, net	(3)	(8)	1	(11)
Interest income, net	3	6	10	2
Loss from continuing operations before income taxes	$ (1,134)	$ (595)	$ (2,137)	$ (1,017)