Quarterly report pursuant to Section 13 or 15(d)

Goodwill And Intangible Assets (Schedule Of Changes In Carrying Amount Of Goodwill) (Details)

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Goodwill And Intangible Assets (Schedule Of Changes In Carrying Amount Of Goodwill) (Details) - USD ($)
3 Months Ended
Mar. 31, 2017
Mar. 31, 2017
Goodwill [Line Items]    
January 1, 2017 $ 1,462,503  
March 31, 2017 1,462,503  
Balance at March 31, 2017 1,462,503 $ 1,462,503
JDL Technologies [Member]    
Goodwill [Line Items]    
January 1, 2017 1,463,000  
Goodwill acquired  
March 31, 2017 1,463,000  
Gross goodwill   1,463,000
Accumulated impairment loss  
Balance at March 31, 2017 $ 1,463,000 $ 1,463,000