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(5) Redeemable Preferred Stock (Detail) (USD $)
3 Months Ended 9 Months Ended 15 Months Ended 21 Months Ended
Dec. 31, 2012
Dec. 31, 2012
Dec. 31, 2012
Dec. 31, 2012
Temporary Equity, Redemption Price Per Share (in Dollars per share) $ 1.00 $ 1.00 $ 1.00 $ 1.00
Temporary Equity, Accretion of Interest $ 145,753 $ 422,075 $ 133,123 $ 430,046