XML 42 R19.htm IDEA: XBRL DOCUMENT v2.4.0.6
Inventories (Tables)
9 Months Ended
Apr. 30, 2013
Inventory Disclosure [Abstract]  
Inventories

Inventories consist of the following (in thousands):

  

    April 30,     July 31,  
    2013     2012  
             
Raw materials and purchased components   $ 1,394     $ 1,151  
Finished goods     5,753       6,249  
Total     7,147       7,400  
Obsolescence reserve     (2,158 )     (2,139 )
Inventories   $ 4,989     $ 5,261