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Note 7 - Income Taxes (Tables)
3 Months Ended
Mar. 31, 2022
Notes Tables  
Summary of Operating Loss Carryforwards [Table Text Block]

Tax Year End

 

NOL

   

Expiration

 

2002

  $ 9,109,774       2022  

2004

    1,621,096       2024  

2005

    1,788,157       2025  

2006

    1,350,961       2026  

2007

    1,740,724       2027  

2008

    918,960       2028  

2009

    835,322       2029  

2010

    429,827       2030  

2013

    504,862       2033  

2016

    474,465       2036  

2017

    1,267,336       2037  

Total

  $ 20,041,484          

Tax Year End

 

NOL

 

2018

  $ 4,410,916  

2019

    2,730,461  

2020

    2,272,315  

Total

  $ 9,413,692  

Total loss carryforwards

  $ 29,455,176