CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock [Member]	Accumulated Other Comprehensive Income [Member]	Accumulated Deficit [Member]	Total
Balance at beginning at Jun. 30, 2013	$ 17,012	$ 5	$ (9,080)	$ 7,937
Balance at beginning (in shares) at Jun. 30, 2013	3,348,184
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss			$ (488)	(488)
Issuance of common stock from rights offering	$ 1,514			1,514
Issuance of common stock from rights offering (in shares)	868,732
Exercise of stock options	$ 6			$ 6
Exercise of stock options (in shares)	4,104			(4,104)
Net change in unrealized gain from marketable equity investments		$ 197		$ 197
Share-based compensation plan activity	$ 50			50
Restricted stock forfeitures (in shares)	(10,001)
Balance at end at Jun. 30, 2014	$ 18,582	$ 202	$ (9,568)	9,216
Balance at end (in shares) at Jun. 30, 2014	4,211,019
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss			$ (365)	$ (365)
Exercise of stock options (in shares)				(48,333)
Rights offering costs	$ (2)			$ (2)
Repurchase of options	$ (32)			(32)
Net change in unrealized gain from marketable equity investments		$ (202)		(202)
Share-based compensation plan activity	$ 17			17
Restricted stock forfeitures (in shares)	(1,667)
Share repurchases	$ (154)			$ (154)
Share repurchases (in shares)	(69,773)			69,773
Balance at end at Jun. 30, 2015	$ 18,411		$ (9,933)	$ 8,478
Balance at end (in shares) at Jun. 30, 2015	4,139,579