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Components of Intangible Assets (Detail) (USD $)
Jan. 31, 2013
Oct. 31, 2012
Jan. 31, 2012
Intangible Assets [Line Items]      
Amortizable intangible assets, net $ 1,572,162 $ 1,627,213 $ 1,627,213
Non-amortizable intangible assets, trade marks 410,000 410,000 410,000
Non-compete agreements
      
Intangible Assets [Line Items]      
Amortizable intangible assets, gross 200,000 200,000  
Amortizable intangible assets, accumulated amortization (65,000) (55,000)  
Amortizable intangible assets, net 135,000 145,000  
Customer relationships
      
Intangible Assets [Line Items]      
Amortizable intangible assets, gross 1,730,000 1,730,000  
Amortizable intangible assets, accumulated amortization (292,838) (247,787)  
Amortizable intangible assets, net 1,437,162 1,482,213  
Backlog
      
Intangible Assets [Line Items]      
Amortizable intangible assets, gross 75,000 75,000  
Amortizable intangible assets, accumulated amortization (75,000) (75,000)  
Amortizable intangible assets, net $ 0 $ 0