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5. Accrued Expenses (Tables)
12 Months Ended
Dec. 31, 2015
Payables and Accruals [Abstract]  
Schedule of accrued expenses
   Year Ended December 31, 
   2015   2014 
Commissions payable  $282,525   $115,090 
Payroll payable   51,669    43,544 
Vacation payable   37,360    27,703 
Taxes payable   33,891    14,833 
Other accrued expenses   20,168    6,153 
   $425,613   $207,323