Consolidated Statements of Shareholders' Equity - USD ($) shares in Thousands, $ in Thousands	Common Stock [Member]	AOCI Attributable to Parent [Member]	Retained Earnings [Member]	Total
Balance (in shares)	12,253
Balances at July 1, 2013 (in shares) at Jun. 30, 2013	12,253
Balances at July 1, 2013 at Jun. 30, 2013	$ 18,938	$ 4	$ (4,197)	$ 14,745
Share-based compensation	$ 5			5
Net loss			$ (5,624)	(5,624)
Change in unrealized loss on investments		$ (3)		(3)
Balance (in shares)	12,253
Balance at Jun. 30, 2014	$ 18,943	$ 1	$ (9,821)	9,123
Balance (in shares) at Jun. 30, 2014	12,253
Balance (in shares)	12,253
Share-based compensation	$ 96			96
Net loss			$ (1,308)	(1,308)
Change in unrealized loss on investments		$ (1)		(1)
Balance (in shares)	12,253
Balance at Jun. 30, 2015	$ 19,039		$ (11,129)	7,910
Balance (in shares) at Jun. 30, 2015	12,253
Balance (in shares)	12,253
Share-based compensation	$ 22			22
Net loss			$ (1,885)	$ (1,885)
Change in unrealized loss on investments
Balance (in shares)	12,253
Balance at Dec. 31, 2015	$ 19,061		$ (13,014)	$ 6,047
Balance (in shares) at Dec. 31, 2015	12,253
Balance (in shares)	12,253