Annual report pursuant to section 13 and 15(d)

10. Accounts Payable and Accrued Expenses (Tables)

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10. Accounts Payable and Accrued Expenses (Tables)
12 Months Ended
Dec. 31, 2013
Accounts Payable And Accrued Expenses Tables  
Accounts payable and accrued expenses
    December 31, 2013     December 31, 2012  
Trade accounts payable   $ 5,933,736     $ 8,800,525  
Accrued expenses     3,101,103       993,618  
Accrued payroll and vacation     102,898       113,860  
Interest payable     421,632       93,458  
Deferred revenue     407,426       21,947  
Other     1,194,755       556,088  
Total accounts payable and accrued expenses   $ 11,161,550     $ 10,579,496