Income Taxes (Details) (USD $)	6 Months Ended
	Sep. 30, 2012
Income Taxes [Abstract]
Unrecognized benefit impact to effective tax rate	$ 662,600
Reconciliation of unrecognized tax benefits
Beginning balance of unrecognized tax benefit	895,300
Increases related to prior period tax positions	35,000
Increases related to current period tax positions	50,300
Ending balance of unrecognized tax benefits	$ 980,600