XML 79 R64.htm IDEA: XBRL DOCUMENT v2.4.0.6
Product and Geographic Information (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 12 Months Ended
Aug. 31, 2012
May 31, 2012
Feb. 29, 2012
Nov. 30, 2011
Aug. 31, 2011
May 31, 2011
Feb. 28, 2011
Nov. 30, 2010
Aug. 31, 2012
Aug. 31, 2011
Aug. 31, 2010
Revenues by products                      
Revenues $ 5,469 $ 9,178 $ 7,905 $ 6,747 $ 5,329 $ 5,600 $ 9,957 $ 13,016 $ 29,299 $ 33,902 $ 35,763
LED chips
                     
Revenues by products                      
Revenues                 7,805 19,712 27,579
LED components
                     
Revenues by products                      
Revenues                 14,820 10,733 7,621
Lighting products
                     
Revenues by products                      
Revenues                 4,386 715 14
Other
                     
Revenues by products                      
Revenues                 $ 2,288 $ 2,742 $ 549