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Note 12 - Sales-type Leases (Tables)
6 Months Ended
May 31, 2018
Notes Tables  
Schedule of Sales-type Leases [Table Text Block]
   
May 31, 2018
   
November 30, 2017
 
Minimum lease receivable, current
  $
174,000
    $
-
 
Unearned interest income, current
   
(53,458
)    
-
 
Net investment in sales-type leases, current
   
120,542
     
-
 
                 
Minimum lease receivable, long-term
   
263,927
     
-
 
Unearned interest income, long-term
   
(34,488
)    
-
 
Net investment in sales-type leases, long-term
  $
229,439
    $
-
 
Sales-type Leases, Lease Receivable Maturity [Table Text Block]
Year Ending November 30,
 
Amount
 
2018
  $
98,575
 
2019
   
174,000
 
2020
   
162,425
 
2021
   
2,927
 
2022
   
-
 
Thereafter
   
-
 
Total
  $
437,927