Annual report pursuant to Section 13 and 15(d)

Goodwill and intangible assets (Details 2)

v2.4.0.6
Goodwill and intangible assets (Details 2) (USD $)
 12 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2010
Components of intangible assets      
Cost $ 33,985,000 $ 11,462,000  
Accumulated Amortization 8,655,000 5,811,000  
Intangible Assets, net 25,330,000 5,651,000  
Fully-amortized technology-based assets still in use 3,400,000    
Weighted average remaining life of assets not fully amortized 6 years 3 months 18 days    
Amortization 2,700,000 2,200,000 2,100,000
Estimated future amortization      
Year ended September 30, 2013 4,921,000    
Year ended September 30, 2014 3,816,000    
Year ended September 30, 2015 3,795,000    
Year ended September 30, 2016 3,795,000    
Year ended September 30, 2017 3,412,000    
Thereafter 5,591,000    
Intangible Assets, net 25,330,000 5,651,000  
Technology-based intangible assets
      
Components of intangible assets      
Cost 9,114,000 7,146,000  
Accumulated Amortization 4,909,000 4,097,000  
Intangible Assets, net 4,205,000 3,049,000  
Weighted average remaining life of assets not fully amortized 4 years 8 months 12 days    
Estimated future amortization      
Intangible Assets, net 4,205,000 3,049,000  
Customer relationships
      
Components of intangible assets      
Cost 20,167,000 3,454,000  
Accumulated Amortization 3,082,000 1,513,000  
Intangible Assets, net 17,085,000 1,941,000  
Weighted average remaining life of assets not fully amortized 7 years 1 month 6 days    
Estimated future amortization      
Intangible Assets, net 17,085,000 1,941,000  
Trademark
      
Components of intangible assets      
Cost 4,450,000 620,000  
Accumulated Amortization 497,000 102,000  
Intangible Assets, net 3,953,000 518,000  
Weighted average remaining life of assets not fully amortized 4 years 10 months 24 days    
Estimated future amortization      
Intangible Assets, net 3,953,000 518,000  
Non-compete arrangements
      
Components of intangible assets      
Cost 254,000 242,000  
Accumulated Amortization 167,000 99,000  
Intangible Assets, net 87,000 143,000  
Weighted average remaining life of assets not fully amortized 1 year 3 months 18 days    
Estimated future amortization      
Intangible Assets, net $ 87,000 $ 143,000