Income Taxes (Narrative) (Details) (USD $)	12 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2011
Income Tax Disclosure [Abstract]
Ownership percentage	100.00%
Effective income tax rate	38.20%	39.20%	39.90%
Net operating loss carryforwards	$ 1,200,000
Operating loss carryforwards, limitation on use, annual amount	200,000
Uncertain tax liability	$ 1,016,000	$ 292,000	$ 456,000