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Provision for Income Tax (Narrative) (Details) - USD ($)
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Dec. 31, 2018
Income Tax Disclosure [Abstract]      
Effective tax rate from continuing operations 28.00% 20.00%  
Changes in deferred tax asset $ 90,000  
Deferred tax asset     $ 5,576,000