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           Capital lease obligations (Details Textual) (USD $) 
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        12 Months Ended | 
|---|---|
| 
           Dec. 31, 2013 
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| Capital lease obligations (Textual) | |
| Capital lease combined monthly installments payable to Systems Trading, Inc. and IBM | $ 56,136 | 
| Interest rates on capitalized leases, minimum | 6.00% | 
| Interest rates on capitalized leases, maximum | 12.00% | 
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- Definition 
          Capital lease combined periodic installments payable. No definition available. 
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- Details 
          
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- Definition 
          Interest rates on capitalized leases, maximum. No definition available. 
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- Definition 
          Interest rates on capitalized leases, minimum. No definition available. 
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