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NOTE 5 — Bank Financing Arrangements (Tables)
3 Months Ended
Mar. 31, 2022
Debt Disclosure [Abstract]  
Amounts outstanding under the CalCap Loan
    
   March 31, 2022
Current portion of CalCap Loan  $500,000 
Long-term portion of CalCap Loan      
CalCap Loan  $500,000