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Accrued Expenses (Notes)
6 Months Ended
Jun. 30, 2021
Payables and Accruals [Abstract]  
Accounts Payable and Accrued Liabilities Disclosure [Text Block] ACCRUED EXPENSES
Accrued expenses consist of the following:
June 30, 2021December 31, 2020
Accrued payroll liabilities$1,743,404 $1,504,113 
Accrued taxes127,463 286,455 
Current portion of finance obligation31,312 30,487 
Accrued other195,295 103,918 
Total accrued expenses$2,097,474 $1,924,973