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Warranty Reserve (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Jan. 31, 2014
Jan. 31, 2013
Warranty Reserve [Abstract]    
Warranty extension year 12 months  
Balance, beginning of year $ 147 $ 91
Warranty provisions based on units sold 34 33
Periodic reserve adjustment 45 21
Warranty claims (91) (61)
Balance, end of year $ 135 $ 84