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Pension Benefits (Details 1) (USD $)
Sep. 30, 2012
US Plan [Member]
 
Fair value hierarchy of plan assets  
Fair value of plan assets $ 2,297,062
Canadian Plan [Member]
 
Fair value hierarchy of plan assets  
Fair value of plan assets 1,318,682
Cash and cash equivalents [Member] | US Plan [Member] | Level 1 [Member]
 
Fair value hierarchy of plan assets  
Fair value of plan assets 306,742
Cash and cash equivalents [Member] | Canadian Plan [Member] | Level 1 [Member]
 
Fair value hierarchy of plan assets  
Fair value of plan assets 59,343
Mutual funds [Member] | US Plan [Member] | Level 1 [Member]
 
Fair value hierarchy of plan assets  
Fair value of plan assets 268,290
Mutual funds [Member] | Canadian Plan [Member] | Level 1 [Member]
 
Fair value hierarchy of plan assets  
Fair value of plan assets 1,259,339
Corporate/Government Bonds [Member] | US Plan [Member] | Level 1 [Member]
 
Fair value hierarchy of plan assets  
Fair value of plan assets 682,731
Equities [Member] | US Plan [Member] | Level 1 [Member]
 
Fair value hierarchy of plan assets  
Fair value of plan assets $ 1,039,299