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Note 7 - Income Taxes (Tables)
6 Months Ended
Jun. 30, 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