Note 11 - Fair Value Measurement (Tables)

12 Months Ended

Jun. 30, 2017

Notes Tables

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

			Quoted Price in				Significant
			Active Markets for		Significant Other		Unobservable
	Total		Identical Assets		Observable Inputs		Inputs
Description of Assets / Liabilities	Fair Value		(Level 1)		(Level 2)		(Level 3)
	(in thousands)
As of June 30, 2017
U.S. Treasury Notes	$	47,721	$	47,721	$	-	$	-
Corporate debt securities		13,171		-		13,171		-
Agency MBS		25,577		-		25,577		-
Equity investments		7,709		7,709		-
Mutual fund investments		1,331		1,331		-		-
	$	95,509	$	56,761	$	38,748	$	-
As of June 30, 2016
U.S. Treasury Notes	$	48,774	$	48,774	$	-	$	-
Corporate debt securities		13,385		-		13,385		-
Agency MBS		32,223		-		32,223		-
Mutual fund investments		1,462		1,462		-		-
	$	95,844	$	50,236	$	45,608	$	-