Quarterly report pursuant to Section 13 or 15(d)

Capital lease obligations (Details Textual)

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Capital lease obligations (Details Textual) (USD $)
6 Months Ended
Jun. 30, 2012
Capital lease obligations (Textual)  
Capital lease combined monthly installments payable $ 47,819
Interest rates on capitalized leases, minimum 6.00%
Interest rates on capitalized leases, maximum 12.00%