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Overview and Summary of Significant Accounting Policies (Details 3) - USD ($)
Sep. 30, 2021
Dec. 31, 2020
Cash $ 4,789,400 $ 13,667,434
Total [Member]    
Total assets at fair value 47,535,235 43,077,158
Cash 4,789,400 13,667,434
Notes receivable 4,172,481 7,618,191
Accounts receivable 38,433,760 21,344,499
Notes receivable - impaired 139,594 447,034
Term loan payable 3,118,461  
Total liabilities at fair value 3,118,461  
Level 1    
Total assets at fair value 4,789,400 13,667,434
Cash 4,789,400 13,667,434
Level 2    
Total assets at fair value 42,606,241 28,962,690
Cash 0 0
Notes receivable 4,172,481 7,618,191
Accounts receivable 38,433,760 21,344,499
Term loan payable 3,118,461  
Total liabilities at fair value 3,118,461  
Level 3    
Total assets at fair value 139,594 447,034
Notes receivable - impaired $ 139,594 $ 447,034