Annual report pursuant to Section 13 and 15(d)

8. Accrued Expenses (Details)

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8. Accrued Expenses (Details) - USD ($)
Dec. 31, 2018
Dec. 31, 2017
Accrued expenses $ 1,144,142 $ 1,256,115
Accrued Operating Expenses [Member]    
Accrued expenses 240,941 153,946
Accrued Stock Compensation Expense [Member]    
Accrued expenses 0 100,000
Accrued Wages and Related Expenses [Member]    
Accrued expenses 490,961 377,305
Accrued Interest [Member]    
Accrued expenses 10,958 0
Accrued Sales Tax Payable [Member]    
Accrued expenses $ 401,282 $ 624,864