Discontinued Operations Income Taxes (Details) (PPT, USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income before income taxes	$ 1,626	$ 4,655	$ 4,315
Current tax provision (benefit):
Federal	0	0	0
State	0	0	0
Foreign	1	(2)	10
Current tax provision (benefit)	1	(2)	10
Deferred tax provision:
Federal	370	1,414	1,270
State	284	459	543
Foreign	0	1	1
Deferred tax provision	654	1,874	1,814
Income tax provision	655	1,872	1,824
United States
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income before income taxes	1,596	4,615	4,272
Non-United States
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income before income taxes	$ 30	$ 40	$ 43