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Fair Value Measurements (Details Textual)
$ in Millions
Jun. 30, 2018
USD ($)
Bridge Loan [Member]  
Debt Instrument, Fair Value Disclosure $ 8.2
Senior Credit Facility [Member]  
Line of Credit Facility, Fair Value of Amount Outstanding 16.1
Revolving Credit Facility [Member]  
Line of Credit Facility, Fair Value of Amount Outstanding $ 6.1