Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	Sep. 30, 2014	Jun. 30, 2014
Allowance for doubtful accounts (in Dollars)	$ 700	$ 704
Common Class A [Member]
Par (in Dollars per share)	$ 1	$ 1
Shares Authorized	20,000,000	20,000,000
Shares Outstanding	6,182,016	6,165,838
Common Class B [Member]
Par (in Dollars per share)	$ 1	$ 1
Shares Authorized	10,000,000	10,000,000
Shares Outstanding	787,109	794,990