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NOTE 5 — Bank Financing Arrangements (Tables)
9 Months Ended
Sep. 30, 2021
Debt Disclosure [Abstract]  
Schedule of Debt [Table Text Block]
    
   September 30, 2021
Current portion of CalCap Loan  $500,000 
Long-term portion of CalCap Loan   250,000 
CalCap Loan  $750,000