Quarterly report pursuant to Section 13 or 15(d)

Goodwill And Intangible Assets (Schedule of Changes in Carrying Amount of Goodwill) (Details)

v3.21.1
Goodwill And Intangible Assets (Schedule of Changes in Carrying Amount of Goodwill) (Details) - USD ($)
12 Months Ended
Dec. 31, 2020
Mar. 31, 2021
Nov. 03, 2020
May 14, 2020
Goodwill [Roll Forward]        
January 1, 2020      
Acquisition 2,086,000      
Ending Balance 2,086,393      
Goodwill, Impaired, Accumulated Impairment Loss [Abstract]        
Gross goodwill   $ 2,086,000    
Accumulated impairment loss      
Balance at March 31, 2021 2,086,393 2,086,393    
Ecessa Corporation [Member]        
Goodwill [Roll Forward]        
January 1, 2020      
Acquisition 1,341,000      
Ending Balance 1,341,000      
Goodwill, Impaired, Accumulated Impairment Loss [Abstract]        
Gross goodwill   1,341,000    
Accumulated impairment loss      
Balance at March 31, 2021 1,341,000 1,341,000   $ 1,341,000
IVDesk Minnesota, Inc. [Member]        
Goodwill [Roll Forward]        
January 1, 2020      
Acquisition 745,000      
Ending Balance 745,000      
Goodwill, Impaired, Accumulated Impairment Loss [Abstract]        
Gross goodwill   745,000    
Accumulated impairment loss      
Balance at March 31, 2021 $ 745,000 $ 745,000 $ 745,000