Short-Term And Long-Term Investments (Narrative) (Details) - USD ($)	Sep. 30, 2015	Jun. 30, 2015
Investments, Debt and Equity Securities Statement [Line Items]
Short-term Investments	$ 4,137,000	$ 4,134,000
Restricted Cash and Cash Equivalents	206,000	238,000
Long-term Investments	815,000	$ 827,000
Preferred Stock [Member]
Investments, Debt and Equity Securities Statement [Line Items]
Long-term Investments	725,000
Time Deposits [Member]
Investments, Debt and Equity Securities Statement [Line Items]
Other Long-term Investments	$ 90,000