Liabilities (Tables)
 12 Months Ended
Jun. 30, 2012
Liabilities [Abstract]  
Other current liabilities
Other current liabilities consisted of the following at June 30:

 
2012
 
 
2011
 
Accrued warranty reserves
 
$
547,000
 
 
$
608,000
 
Asahi prepayment
 
 
--
 
 
 
516,000
 
Accrued professional fees
 
 
159,000
 
 
 
257,000
 
Other accrued liabilities
 
 
522,000
 
 
 
273,000
 
 
$
1,228,000
 
 
$
1,654,000