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NOTE 5 — Bank Financing Arrangements (Tables)
6 Months Ended
Jun. 30, 2022
Debt Disclosure [Abstract]  
Amounts outstanding under the CalCap Loan
    
   June 30, 2022
Current portion of CalCap Loan  $375,000 
Long-term portion of CalCap Loan      
CalCap Loan  $375,000