Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	Mar. 31, 2014	Jun. 30, 2013
Allowance for doubtful accounts (in Dollars)	$ 707	$ 697
Common Class A [Member]
Par Value (in Dollars per share)	$ 1	$ 1
Shares Authorized	20,000,000	20,000,000
Shares Outstanding	6,142,406	6,076,698
Common Class B [Member]
Par Value (in Dollars per share)	$ 1	$ 1
Shares Authorized	10,000,000	10,000,000
Shares Outstanding	799,068	750,563