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14. SEGMENTED, SIGNIFICANT CUSTOMER INFORMATION AND ECONOMIC DEPENDENCY (Details 2) (USD $)
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Revenues from External Customers and Long-Lived Assets [Line Items]    
Property, equipment, leasehold and patents $ 4,902,304FSI_PropertyEquipmentLeaseholdAndPatents $ 5,999,991FSI_PropertyEquipmentLeaseholdAndPatents
Canada [Member]    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Property, equipment, leasehold and patents 3,331,879FSI_PropertyEquipmentLeaseholdAndPatents
/ us-gaap_StatementGeographicalAxis
= us-gaap_NorthAmericaMember		 4,258,075FSI_PropertyEquipmentLeaseholdAndPatents
/ us-gaap_StatementGeographicalAxis
= us-gaap_NorthAmericaMember
United States and abroad [Member]    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Property, equipment, leasehold and patents $ 1,570,424FSI_PropertyEquipmentLeaseholdAndPatents
/ us-gaap_StatementGeographicalAxis
= us-gaap_AmericasMember		 $ 1,741,916FSI_PropertyEquipmentLeaseholdAndPatents
/ us-gaap_StatementGeographicalAxis
= us-gaap_AmericasMember