| Goodwill and Intangible Assets | 
 Note 4 - Goodwill and Intangible Assets 
  
Goodwill and intangible assets consisted of the following: 
  
  
    |   | 
      | 
      | 
      | 
    March 31, 2021 | 
 
  
    |   | 
      | 
    Estimated life | 
      | 
      | 
      | 
    Accumulated | 
      | 
      | 
 
  
    |   | 
      | 
    in years | 
      | 
    Gross amount | 
      | 
    Amortization | 
      | 
    Net | 
 
  
    | Intangible assets not subject to amortization | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
 
  
    | Goodwill | 
      | 
      | 
    Indefinite | 
      | 
      | 
    $ | 
    3,015,700 | 
      | 
      | 
    $ | 
    — | 
      | 
      | 
    $ | 
    3,015,700 | 
      | 
 
  
    | Trademarks | 
      | 
      | 
    Indefinite | 
      | 
      | 
      | 
    294,268 | 
      | 
      | 
      | 
    — | 
      | 
      | 
      | 
    294,268 | 
      | 
 
  
    |  Total intangible assets not subject to amortization | 
      | 
      | 
      | 
      | 
      | 
      | 
    3,309,968 | 
      | 
      | 
      | 
    — | 
      | 
      | 
      | 
    3,309,968 | 
      | 
 
  
    | Intangible assets subject to amortization | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
 
  
    | Customer lists | 
      | 
      | 
    5-15 | 
      | 
      | 
      | 
    897,274 | 
      | 
      | 
      | 
    897,274 | 
      | 
      | 
      | 
    — | 
      | 
 
  
    | ABC acquired contracts | 
      | 
      | 
    5 | 
      | 
      | 
      | 
    310,000 | 
      | 
      | 
      | 
    273,833 | 
      | 
      | 
      | 
    36,167 | 
      | 
 
  
    | SIAS acquired contracts | 
      | 
      | 
    5 | 
      | 
      | 
      | 
    660,000 | 
      | 
      | 
      | 
    583,000 | 
      | 
      | 
      | 
    77,000 | 
      | 
 
  
    | Non-compete agreements | 
      | 
      | 
    4 | 
      | 
      | 
      | 
    272,147 | 
      | 
      | 
      | 
    272,147 | 
      | 
      | 
      | 
    — | 
      | 
 
  
    | Total intangible assets subject to amortization | 
      | 
      | 
      | 
      | 
      | 
      | 
    2,139,421 | 
      | 
      | 
      | 
    2,026,254 | 
      | 
      | 
      | 
    113,167 | 
      | 
 
  
    | Total Goodwill and Intangible Assets | 
      | 
      | 
      | 
      | 
      | 
    $ | 
    5,449,389 | 
      | 
      | 
    $ | 
    2,026,254 | 
      | 
      | 
    $ | 
    3,423,135 | 
      | 
 
   
  
Scheduled amortization over the next year is as follows: 
  
  
    | Twelve months ending March 31, | 
      | 
      | 
 
  
    | 2022 | 
      | 
      | 
    $ | 
    113,167 | 
      | 
 
  
    |   | 
      | 
      | 
      | 
      | 
      | 
 
   
    
Amortization expense for the three months ended March 31, 2021 and 2020
were $48,500 and $48,500 respectively. 
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