Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Contingent Consideration) (Details)

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Summary of Significant Accounting Policies (Contingent Consideration) (Details) - USD ($)
$ in Thousands
6 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Fair Value, Instruments Classified in Shareholders' Equity Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Revaluation adjustment $ 504 $ 529
Contingent Consideration Liability    
Fair Value, Instruments Classified in Shareholders' Equity Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Opening balance 588  
Revaluation adjustment (504)  
Amount paid to SilverTowne, since the fiscal year end 0  
Closing balance $ 84