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Warrant Derivative Liability - Additional Information (Detail) | Dec. 31, 2013 | Oct. 30, 2012
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Stock purchase warrants issued | 2,907,347 | 579,450

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- Definition Class of Warrant or Right, Issued + References No definition available. + Details
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Namespace Prefix: | flux_
Data Type: | xbrli:sharesItemType
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Period Type: | instant