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Income Taxes (Details) (USD $)	3 Months Ended		6 Months Ended
Income Taxes (Details) (USD $)	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Income Taxes [Abstract]
Income tax expenses from continuing operations	$ 1,631,000	$ 3,923,000	$ 1,705,000	$ 5,357,000
Effective income tax rate (in hundredths)	43.00%	37.60%	42.90%	37.70%
Income tax benefit from discontinued operations			$ 9,156,000

Tax effect allocated to a disposal group that is classified as a component of the entity reported as a separate component of income before extraordinary items. Includes the tax effects of the following: income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

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