Business Segment Information - Reconciliation of total segment (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Business Segments
Total income from reportable segments	$ (90)	$ (446)
Amortization of intangible assets	(84)	(92)
Other (expense) income, net	(4)
Interest income, net	1	4
Loss from continuing operations before income taxes	(93)	(442)
Operating segments
Business Segments
Total income from reportable segments	3,041	2,283
Unallocated amounts
Business Segments
Corporate and other expenses	(3,047)	(2,637)
Amortization of intangible assets	(84)	(92)
Other (expense) income, net	(4)
Interest income, net	1	4
Loss from continuing operations before income taxes	$ (93)	$ (442)