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Note 7 - Finance Leases (Tables)
6 Months Ended
Sep. 30, 2019
Notes Tables  
Finance Lease, Liability, Maturity [Table Text Block]
For the twelve-month period ending September 30,
       
2020
  $
35,000
 
2021
   
3,000
 
     
38,000
 
Less:
Amount attributable to imputed interest
   
500
 
Present value of minimum lease payments
   
37,500
 
Less:
Current maturities
   
31,000
 
    $
6,500