Quarterly report pursuant to Section 13 or 15(d)

Revenue Recognition (Narrative) (Details)

v3.20.1
Revenue Recognition (Narrative) (Details)
3 Months Ended
Mar. 31, 2020
USD ($)
Mar. 31, 2019
USD ($)
Segment Reporting Information [Line Items]    
Revenues $ 9,162,742 $ 11,216,170
Transition Networks [Member]    
Segment Reporting Information [Line Items]    
Revenues 8,164,000 8,890,000
Net2Edge [Member]    
Segment Reporting Information [Line Items]    
Revenues $ 424,000 $ 448,000
Product [Member] | Transition Networks [Member]    
Segment Reporting Information [Line Items]    
Number of categories in segment 2