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Goodwill & Intangibles - Narrative (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2018
Dec. 31, 2017
Goodwill and Intangible Assets Disclosure [Abstract]      
Goodwill impairment charge $ 1,525,000 $ 2,175,000  
Goodwill 5,575,000 5,575,000 $ 7,750,000
Impairment charges of intangible assets $ 0 $ 0