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Basis of Presentation (Details Narrative) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Apr. 28, 2021
Amount of cash dividend payable to shareholders (in dollars per share)         $ 0.12
Royalty percentage of gross profit on licensed products     50.00%    
Amortization period for expense sales commissions incurred, maximum     1 year    
Period for the value of unsatisfied performance obligations which are not disclosed     1 year    
Software development costs capitalized $ 55,000 $ 0 $ 178,000 $ 22,000  
Impairment of intangible assets     0 0  
Indefinite‑lived intangible assets $ 0 $ 0 $ 0 $ 0