Common Stock Warrants (Details) (Warrant [Member], USD $)	3 Months Ended
	Jun. 30, 2012
Cash Exercise [Member]
Warrants issued to members of board of directors
Warrant Shares	175,000
Exercise Price / Share	$ 1.50
Cash Received	$ 262,500
Common Stock Shares Issued	175,000
Cashless Net Exercise [Member]
Warrants issued to members of board of directors
Warrant Shares	575,000
Exercise Price / Share	$ 1.50
Cash Received	$ 0
Common Stock Shares Issued	64,495
Expired Unexercised [Member]
Warrants issued to members of board of directors
Warrant Shares	98,417
Exercise Price / Share	$ 1.50