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5. PROPERTY, PLANT & EQUIPMENT (Details 1) (USD $) | 12 Months Ended
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Dec. 31, 2013
Land [Member] |
Property, Plant and Equipment [Line Items] |
Carrying amount of capital assets held as collateral | $ 261,413
Buildings [Member] |
Property, Plant and Equipment [Line Items] |
Carrying amount of capital assets held as collateral | 780,527
Building Improvements [Member] |
Property, Plant and Equipment [Line Items] |
Carrying amount of capital assets held as collateral | 827,645
Manufacturing equipment [Member] |
Property, Plant and Equipment [Line Items] |
Carrying amount of capital assets held as collateral | 2,129,434
Trailer [Member] |
Property, Plant and Equipment [Line Items] |
Carrying amount of capital assets held as collateral | 2,241
Technology [Member] |
Property, Plant and Equipment [Line Items] |
Carrying amount of capital assets held as collateral | $ 77,065

X
- Definition Custom Element. + References No definition available. + Details
Name: | FSI_CarryingAmountOfCapitalAssetsHeldAsCollateral
Namespace Prefix: | FSI_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration