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Earnings Per Share Data - Basic and Diluted Earnings (loss) Per Share (Detail) (USD $)
 3 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Earnings Per Share [Abstract]    
Net income (loss) $ 446,000 $ (976,000)
Common Shares:    
Weighted average common shares outstanding 9,518,000 9,518,000
Effect of dilutive stock options 43,000  
Diluted shares outstanding 9,561,000 9,518,000
Basic:    
Net income (loss) per share $ 0.05 $ (0.10)
Diluted:    
Net income (loss) per share $ 0.05 $ (0.10)