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Investment in Sales-Type Leases, Net (Tables)
12 Months Ended
Dec. 31, 2020
Investments [Abstract]  
Schedule of net investment in sales-type leases
   2020   2019 
Total future minimum lease payments receivable  $
-
   $56,477,739 
Less: executory cost   
-
    (3,623,100)
Less: unearned interest   
-
    (14,905,393)
Less: realized interest income but not yet received   
-
    (5,245,244)
Less: allowance for net investment receivable   
-
    (24,416,442)
Investment in sales-type leases, net   
-
    8,287,560 
Current portion   
-
    
-
 
Noncurrent portion  $
-
   $8,287,560