INCOME TAXES Deferred tax asset (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Jun. 30, 2011
Income Tax Disclosure [Abstract]
operating loss carryforwards	$ 45,061	$ 40,039
Deferred Tax Assets, Warranty and extended warranty	1,635	1,676
Deferred Tax Assets, Property and equipment	362	36
Deferred Tax Assets, Capital loss carryforwards	1,162	1,260
Deferred Tax Assets, Tax credit	3,243	2,568
Deferred Tax Assets, Inventory	1,751	1,799
Deferred Tax Assets, Share-based compensation	1,999	1,260
Deferred Tax Assets, Intangible assets	1,612	1,365
Deferred Tax Assets, Deferred compensation	117	233
Deferred Tax Assets, Allowance for doubtful accounts	84	104
Deferred Tax Assets, Other	263	329
Deferred tax assets, Gross	57,289	50,669
Valuation allowance	(57,289)	(50,669)
Deferred tax assets, Net	$ 0	$ 0