Quarterly report pursuant to Section 13 or 15(d)

Business Combinations (Narrative) (Details)

v3.21.2
Business Combinations (Narrative) (Details)
 9 Months Ended
Nov. 03, 2020
USD ($)
May 14, 2020
USD ($)
item
Sep. 30, 2021
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Business Acquisition [Line Items]          
Goodwill     $ 2,086,393 $ 2,086,393
Ecessa Corporation [Member]          
Business Acquisition [Line Items]          
Ownership acquired   100.00%      
Number of field installations | item   10,000      
Total purchase price of acquired entity   $ 4,642,000      
Cash acquired in acquisition   666,000      
Business acquisition, initial cash consideration paid   4,666,000      
Business acquisition, working capital adjustment   (24,000)      
Weighted average amortization period of acquired intangible assets     7 years    
Total assets   5,250,000      
Property, plant and equipment   127,000      
Goodwill   1,341,000 $ 1,341,000 1,341,000
Intangible assets   2,260,000      
Total liabilities   $ 608,000      
IVDesk Minnesota, Inc. [Member]          
Business Acquisition [Line Items]          
Total purchase price of acquired entity $ 1,368,000        
Business acquisition, initial cash consideration paid 950,000        
Business acquisition, working capital adjustment (132,000)        
Contingent consideration at fair value $ 550,000        
Contingent consideration period 120 days        
Business acquisition, liabilities arising from contingencies     0    
Total assets $ 1,500,000        
Property, plant and equipment 35,000        
Goodwill 745,000   $ 745,000 $ 745,000
Intangible assets 720,000        
Total liabilities $ 132,000        
IVDesk Minnesota, Inc. [Member] | Customer Relationships [Member] | Weighted Average [Member]          
Business Acquisition [Line Items]          
Amortization period 8 years