CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Common Shares [Member]	Accumulated Other Comprehensive Income [Member]	Accumulated Deficit [Member]	Total
Balance at beginning at Jun. 30, 2014	$ 18,582	$ 202	$ (9,568)	$ 9,216
Balance at beginning (in shares) at Jun. 30, 2014	4,211,019
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)			(365)	(365)
Rights offering costs	(2)			(2)
Repurchase of options	(32)			(32)
Net change in unrealized gain from marketable equity investments		(202)		(202)
Restricted stock forfeitures
Restricted stock forfeitures (in shares)	(1,667)
Exercise of stock options (in shares)				(48,333)
Share-based compensation	$ 17			$ 17
Share repurchases	$ (154)			(154)
Share repurchases (in shares)	(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
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)			822	822
Exercise of stock options	$ 16			$ 16
Exercise of stock options (in shares)	7,500			(7,500)
ESPP shares issued	$ 11			$ 11
ESPP shares issued (in shares)	5,596
Share-based compensation	$ 4			4
Share repurchases	$ (454)			(454)
Share repurchases (in shares)	(99,688)
Balance at end at Jun. 30, 2016	$ 17,988		$ (9,111)	$ 8,877
Balance at end (in shares) at Jun. 30, 2016	4,052,987