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Leases - Future Minimum Lease Payments Under Operating Leases (Detail) (USD $)	Mar. 31, 2013
Leases [Abstract]
2013	$ 182,899
2014	434,229
2015	445,921
2016	457,961
2017	470,154
2018	359,370
2019 and thereafter	125,415
Total	$ 2,475,949

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