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(6) Accrued Expenses - Accrued expenses (Details) - USD ($)
Sep. 30, 2017
Dec. 31, 2016
Payables and Accruals [Abstract]    
Accrued legal and accounting $ 96,109 $ 87,690
Accrued payroll 375,825 456,063
Accrued other 143,949 80,206
Total $ 615,883 $ 623,959