INCOME TAXES Deferred tax asset (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Jun. 30, 2012
Income Tax Disclosure [Abstract]
Net operating loss carryforward	$ 52,430	$ 45,061
Warranty and extended warranty	1,348	1,635
Property and equipment	88	362
Capital loss carryforward	1,109	1,162
Tax credits	3,258	3,243
Inventory	1,362	1,751
Share-based compensation	1,850	1,999
Intangible assets	1,601	1,612
Deferred compensation	143	117
Allowance for doubtful accounts	34	84
Other	304	263
Deferred tax assets, gross	63,527	57,289
Valuation allowance for deferred tax assets	(63,527)	(57,289)
Deferred tax assets, net	$ 0	$ 0