Quarterly report pursuant to Section 13 or 15(d)

Business Combinations (Narrative) (Details)

v3.21.1
Business Combinations (Narrative) (Details)
 3 Months Ended
Nov. 03, 2020
USD ($)
May 14, 2020
USD ($)
item
Mar. 31, 2021
USD ($)
Mar. 31, 2020
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Business Acquisition [Line Items]            
Intangibles amortization     $ 124,000 $ 0    
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, maximum amount $ 550,000          
Contingent consideration period 120 days          
Business acquisition, liabliites 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