Annual report pursuant to Section 13 and 15(d)

6. Accrued Expenses (Details)

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6. Accrued Expenses (Details) - USD ($)
Dec. 31, 2016
Dec. 31, 2015
Payables and Accruals [Abstract]    
Commissions payable $ 44,788 $ 106,915
Dividends payable 0 2,099,148
Accrued payroll and related liabilities 1,604,597 1,461,019
Accrued bonuses 0 50,628
Accrued interest 1,491,509 556,646
Other accrued expenses 994,253 1,011,099
Accrued expenses $ 4,135,147 $ 5,285,455