Related Party Transaction (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Feb. 28, 2014
Feb. 28, 2013
Feb. 28, 2014
Feb. 28, 2013
Jul. 01, 2013
Jun. 30, 2013
Related Party Transaction [Line Items]            
Royalty expense $ 51 $ 31 $ 133 $ 76    
HS Land & Cattle, LLC [Member]
           
Related Party Transaction [Line Items]            
Monthly rent expense charged by related party         15 10
Rent expense $ 45 $ 30 $ 90 $ 60