Quarterly report pursuant to Section 13 or 15(d)

Assets and Liabilities, at Fair Value (Narrative) (Details)

v3.4.0.3
Assets and Liabilities, at Fair Value (Narrative) (Details) - USD ($)
3 Months Ended 9 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Mar. 31, 2016
Mar. 31, 2015
Jun. 30, 2015
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]          
Commemorative coins, held at lower of cost or market $ (6,000)   $ (6,000)   $ (1,518,000)
Realized gains on cost method investment 0 $ 0   $ 0  
Income (loss) from equity method investment 107,000   613,000 $ 0  
Equity Method and Cost Method Investment, Total 7,785,000   7,785,000   $ 2,500,000
Fair Value, Measurements, Nonrecurring | Carrying Amount          
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]          
Cost method investment $ 7,200,000   $ 7,200,000