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Nature of Operations and Summary of Significant Accounting Policies (Schedule of Useful Lives of Intangible Assets) (Details)
12 Months Ended
Dec. 31, 2018
Developed Technology [Member]  
Finite-Lived Intangible Assets [Line Items]  
Intangible asset, useful life 6 years
Patents [Member]  
Finite-Lived Intangible Assets [Line Items]  
Intangible asset, useful life 10 years
Trademarks and Trade Names [Member]  
Finite-Lived Intangible Assets [Line Items]  
Intangible asset, useful life 9 years
Customer relationships [Member]  
Finite-Lived Intangible Assets [Line Items]  
Intangible asset, useful life 7 years