Note 7 - Other Liabilities (Details) - Other liabilities (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Jun. 30, 2013	Sep. 30, 2012	Jun. 30, 2012
Other liabilities [Abstract]
Deferred compensation	$ 312	$ 322
Supplemental retirement plan	1,026	995
Warranty accrual	192	170	181	181
Income tax liability	103	102
Deferred gain	736	760
Other	216	216
	2,585	2,565
Less current portion	(1,608)	(1,555)
	$ 977	$ 1,010