Business Segment Information (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Business Segments
Total operating income from reporting segment	$ (320)	$ 1,002	$ (415)	$ 1,671
Amortization of intangible assets	(120)	(161)	(239)	(322)
Change in fair value of contingent consideration	(4)	(9)	(8)	(16)
Other income (expense), net		12	(3)	9
Interest income (expense), net	(5)	(4)	(4)	(8)
(Loss) from continuing operations before income taxes	(325)	1,010	(422)	1,672
Operating segments
Business Segments
Total operating income from reporting segment	1,893	2,436	3,850	4,690
Unallocated amounts
Business Segments
Corporate and other expenses	(2,089)	(1,264)	(4,018)	(2,681)
Amortization of intangible assets	(120)	(161)	(239)	(322)
Change in fair value of contingent consideration	(4)	(9)	(8)	(16)
Other income (expense), net		12	(3)	9
Interest income (expense), net	(5)	(4)	(4)	(8)
(Loss) from continuing operations before income taxes	$ (325)	$ 1,010	$ (422)	$ 1,672