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v3.7.0.1

6. PATENTS (Details Narrative) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015
Amortization | $ 15,616 | $ 15,867
Canadian Dollars [Member] |  |
Currency conversion in canadian dollars | $ 265,102 | $ 265,102

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

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

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- Details
Name: | us-gaap_CurrencyAxis=FSI_CanadianDollarsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |