Annual report pursuant to Section 13 and 15(d)

Property and Equipment, net (Details Textual)

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Property and Equipment, net (Details Textual) (USD $)
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Property and equipment, net (Textual) [Abstract]    
Depreciation and amortization expense $ 75,190 $ 79,516