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Note 10 - Income Taxes (Tables)
12 Months Ended
Dec. 31, 2021
Notes Tables  
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
  

2021

  

2020

 
         

Deferred tax assets:

        

Net operating loss carryforwards

 $5,942,000  $8,277,000 

Depreciation and amortization

  999,000   827,000 

Non-cash compensation

  (326,000)  (225,000)

Other

  101,000   49,000 

Valuation Allowance

  (5,212,000)  (7,534,000)

Deferred tax asset

 $1,504,000  $1,394,000 
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 
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
  

2021

  

2020

 
         

Current provision:

        

Federal

 $  $(94,948)

State

  279,861   118,057 
   279,861   23,109 
         

Deferred provision:

        

Federal expense (benefit)

  (110,000)   
         

Expense for income taxes

 $169,861  $23,109 
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
  

2021

  

2020

 
         

Income tax (benefit) at 21%

 $(67,543) $(610,000)

Change in valuation allowance

  (2,322,000)  (2,470,000)

Permanent and other differences

  2,389,543   3,080,000 

Federal income tax (benefit)

  (110,000)  (94,948) 

State taxes

  279,861   118,057 
         

Income tax expense

 $169,861  $23,109