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Fair Value Considerations (Details 2) - Level 3 [Member]
3 Months Ended
Sep. 30, 2018
USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]  
Balance as of June 30, 2018 $ 94,000
Change in fair value included in earnings (47,000)
Balance as of September 30, 2018 $ 47,000