Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Purchased Intangibles (Narrative) (Details)

v3.21.2
Goodwill and Purchased Intangibles (Narrative) (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items]          
Goodwill $ 496,352   $ 496,352   $ 496,352
Amortization expense $ 35,736 $ 37,767 $ 71,740 $ 75,444  
Minimum [Member]          
Finite-Lived Intangible Assets [Line Items]          
Estimated useful lives     1 year    
Maximum [Member]          
Finite-Lived Intangible Assets [Line Items]          
Estimated useful lives     20 years