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Basis of Presentation (Details Narrative) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Nov. 09, 2021
Aug. 10, 2021
Apr. 28, 2021
Amount of cash dividend payable to shareholders (in dollars per share)         $ 0.12 $ 0.12 $ 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 $ 0 $ 0 $ 178,000 $ 22,000      
Impairment of intangible assets     0 0      
Indefinite‑lived intangible assets $ 0 $ 0 $ 0 $ 0