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Components of Intangible Assets (Detail) (USD $)
Jul. 31, 2012
Oct. 31, 2011
Intangible Assets [Line Items]    
Amortizable intangible assets, net $ 1,682,265 $ 1,866,171
Non-amortizable intangible assets, trade marks 410,000 410,000
Non-compete agreements
    
Intangible Assets [Line Items]    
Amortizable intangible assets, gross 200,000 200,000
Amortizable intangible assets, accumulated amortization (45,000) (15,000)
Amortizable intangible assets, net 155,000 185,000
Customer relationships
    
Intangible Assets [Line Items]    
Amortizable intangible assets, gross 1,730,000 1,730,000
Amortizable intangible assets, accumulated amortization (202,735) (67,579)
Amortizable intangible assets, net 1,527,265 1,662,421
Backlog
    
Intangible Assets [Line Items]    
Amortizable intangible assets, gross 75,000 75,000
Amortizable intangible assets, accumulated amortization (75,000) (56,250)
Amortizable intangible assets, net   $ 18,750