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Note P - Equity (Details Textual) - USD ($)
 12 Months Ended
Mar. 08, 2022
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Preferred Stock, Shares Authorized   5,000,000    
Preferred Stock, Par or Stated Value Per Share   $ 0.0001    
Stock Issued During Period, Value, Acquisitions   $ 600,004    
Share-Based Payment Arrangement, Expense   387,907 $ 314,715  
Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture   $ 76,043 $ 25,536  
Class of Warrant or Right, Issued During Period     0  
Share Price   $ 0.59 $ 2.21 $ 3.52
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number   194,561    
Common Stock [Member]        
Stock Issued During Period, Value, Acquisitions   $ 27    
Stock Issued During Period, Shares, Employee Stock Purchase Plans   60,549 19,484  
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures   278,000 13,125  
Stock Issued During Period, Shares, Restricted Stock Award, Forfeited   10,500 1,250  
Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture   39,636 7,828  
Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture   $ 4 $ 1  
Director [Member] | Common Stock [Member]        
Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture   39,636 7,828  
Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture   $ 76,043 $ 25,536  
Restricted Stock [Member]        
Share-Based Payment Arrangement, Expense   $ 218,552 $ 71,819  
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures   278,000 13,125  
Stock Issued During Period, Shares, Restricted Stock Award, Forfeited   10,500 1,250  
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period   3 years    
In The Money Options [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number   0 0 0
Swivel Secure Europe [Member]        
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares 269,060      
Business Combination, Indemnification Assets, Shares as of Acquisition Date 89,687      
Stock Issued During Period, Value, Acquisitions $ 600,004      
Business Acquisition, Share Price   $ 2.23    
Share-Based Payment Arrangement, Expense   $ 18,787 $ 10,680  
Share Price $ 2.23      
Employee Stock Purchase Plan [Member]        
Common Stock, Capital Shares Reserved for Future Issuance   789,000    
Share-Based Compensation Arrangement by Share-Based Payment Award, Purchase Price of Common Stock, Percent 85.00%      
Stock Issued During Period, Shares, Employee Stock Purchase Plans   60,549 19,484