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17. Subsequent Events (Details Narrative) | 3 Months Ended
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Mar. 31, 2017 shares
Subsequent Event [Member] |
Employee Stock Options | 3,000

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

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |