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Note 14 - Commitments and Contingencies (Details Textual) - USD ($)
12 Months Ended
Nov. 22, 2022
Dec. 31, 2022
Dec. 31, 2021
Sep. 30, 2016
Contractual Obligation, Total   $ 3,626,000    
Professional Services and Technology Acquisition Agreement [Member]        
Payments to Acquire Businesses, Gross $ 700,000 700,000    
Professional Services and Technology Acquisition Agreement [Member] | February 13 Delviery [Member]        
Business Combination, Contingent Consideration, Liability, Total 125,000 125,000    
Professional Services and Technology Acquisition Agreement [Member] | Final Delivery of Technology, Services, and License [Member]        
Business Combination, Contingent Consideration, Liability, Total $ 125,000 125,000    
Related Party Technology License Agreement [Member] | Syzygy Licensing LLC [Member]        
Royalty Payments, Percentage of Product Revenue       4.00%
Maximum Royalties to Be Paid Under Agreement       $ 1,000
Royalty Expense   274,000 $ 278,000  
Royalty Guarantees, Commitments, Amount   $ 280,000