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Note 5 - Receivables (Tables)
12 Months Ended
Dec. 31, 2022
Notes Tables  
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
  

2022

  

2021

 

Billed federal government

 $1,573,407  $1,594,473 

Billed commercial

  56,152   - 

Unbilled receivables

  -   70,389 

Accounts receivable

 $1,629,559  $1,664,862