Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Purchased Intangibles (Narrative) (Details)

v3.10.0.1
Goodwill and Purchased Intangibles (Narrative) (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Jan. 01, 2018
Dec. 31, 2017
Finite-Lived Intangible Assets [Line Items]            
Goodwill $ 803,118   $ 803,118   $ 803,118 $ 803,118
Amortization expense $ 9,976 $ 10,796 $ 31,741 $ 32,297    
Maximum [Member]            
Finite-Lived Intangible Assets [Line Items]            
Estimated useful lives     20 years      
Minimum [Member]            
Finite-Lived Intangible Assets [Line Items]            
Estimated useful lives     1 year