XML 36 R24.htm IDEA: XBRL DOCUMENT v3.21.1
Note 4 - Receivables (Tables)
12 Months Ended
Dec. 31, 2020
Notes Tables  
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
   
2020
   
2019
 
Billed federal government
  $
1,425,217
    $
668,712
 
Unbilled receivables
   
17,014
     
-
 
Accounts receivable
  $
1,442,231
    $
668,712