Note 11 - Fair Value Measurement (Tables)

12 Months Ended

Jun. 30, 2015

Disclosure Text Block [Abstract]

Fair Value, Assets Measured on Recurring Basis [Table Text Block]

Description of Assets / Liabilities	Total Fair Value		Quoted Price in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(in thousands)
As of June 30, 2015
U.S. Treasury Notes	$	47,770	$	47,770	$	-	$	-
Corporate debt securities		13,152		-		13,152		-
Agency MBS		18,669		-		18,669		-
Securities of state and political subdivisions		412		-		412		-
Mutual fund investments		1,209		1,209		-		-
	$	81,212	$	48,979	$	32,233	$	-
As of June 30, 2014
U.S. Treasury notes	$	7,973	$	7,973	$	-	$	-
Corporate debt securities		16,310		-		16,310		-
Securities of state and political subdivisions		427		-		427		-
Mutual fund investment		1,261		1,261		-		-
Equity investment		793		793		-		-
	$	26,764	$	10,027	$	16,737	$	-