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Note 7 - Capital Leases (Tables)
9 Months Ended
Dec. 31, 2019
Notes Tables  
Finance Lease, Liability, Maturity [Table Text Block]
For the twelve-month period ending December 31,
       
2020
  $
30,000
 
         
Less:
Amount attributable to imputed interest
   
(500
)
Present value of minimum lease payments
   
29,500
 
Less:
Current maturities
   
29,500
 
    $
-0-