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Operating leases, commitments and security deposits (Tables)
 12 Months Ended
Dec. 31, 2013
Operating Leases Commitments and Security Deposit [Abstract]  
Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]
The following is a schedule of the future minimum payments required under operating leases in the aggregate and for each subsequent year through lease maturity:
 
Year ending
 
 
 
 
2014
 
$
104
 
2015
 
 
–
 
Total
 
$
104