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Note 7 - Long-term Leases (Tables)
3 Months Ended
Mar. 31, 2020
Notes Tables  
Lessee, Lease, Liability, Maturity [Table Text Block]
   

Finance

Leases

   

Operating

Leases

 

2020

  $ 5,200     $ 35,495  

2021

    5,200       35,169  

2022

    5,200       34,748  

2023

    4,766       34,430  

2024

    -       34,279  

Thereafter

    -       65,600  

Total minimum lease payments

    20,366       239,721  

Less: amounts representing interest

    (2,256

)

    (42,761

)

Present value of future minimum lease payments

    18,110       196,960  

Less: current portion

    (4,228

)

    (24,557

)

Noncurrent lease liabilities

  $ 13,882     $ 172,403