Quarterly report pursuant to Section 13 or 15(d)

STOCKHOLDERS' EQUITY- Warrant Activity and Related Balances Outstanding (Detail)

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STOCKHOLDERS' EQUITY- Warrant Activity and Related Balances Outstanding (Detail) (USD $)
 9 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Number    
Shares purchasable under outstanding warrants at June 30, 2014 22,798,347us-gaap_ClassOfWarrantOrRightOutstanding 2,907,347us-gaap_ClassOfWarrantOrRightOutstanding
Stock purchase warrants issued 5,241,749flux_ClassOfWarrantsOrRightsIssued 17,991,000flux_ClassOfWarrantsOrRightsIssued
Stock purchase warrants exercised 0flux_ClassOfWarrantOrRightExercisedInPeriod 0flux_ClassOfWarrantOrRightExercisedInPeriod
Shares purchasable under outstanding warrants at March 31, 2015 28,040,096us-gaap_ClassOfWarrantOrRightOutstanding 20,898,347us-gaap_ClassOfWarrantOrRightOutstanding
Weighted Average Exercise Price Per Share    
Shares purchasable under outstanding warrants at June 30, 2013 $ 0.21flux_ClassOfWarrantOrRightWeightedAverageExercisePriceOfWarrantsOrRights $ 0.27flux_ClassOfWarrantOrRightWeightedAverageExercisePriceOfWarrantsOrRights
Stock purchase warrants issued $ 0.22flux_ClassOfWarrantOrRightIssuedInPeriodWeightedAverageExercisePriceOfWarrantsOrRights $ 0.19flux_ClassOfWarrantOrRightIssuedInPeriodWeightedAverageExercisePriceOfWarrantsOrRights
Stock purchase warrants exercised $ 0flux_ClassOfWarrantOrRightExercisesInPeriodWeightedAverageExercisePriceOfWarrantsOrRights $ 0flux_ClassOfWarrantOrRightExercisesInPeriodWeightedAverageExercisePriceOfWarrantsOrRights
Shares purchasable under outstanding warrants at March 31, 2014 $ 0.21flux_ClassOfWarrantOrRightWeightedAverageExercisePriceOfWarrantsOrRights $ 0.20flux_ClassOfWarrantOrRightWeightedAverageExercisePriceOfWarrantsOrRights
Remaining Contract Term (Years)    
Shares purchasable under outstanding warrants   3 years 2 months 16 days
Stock purchase warrants issued   5 years
Maximum [Member]    
Remaining Contract Term (Years)    
Shares purchasable under outstanding warrants 4 years 9 months 5 years
Minimum [Member]    
Remaining Contract Term (Years)    
Shares purchasable under outstanding warrants 2 years 3 months 3 years 2 months 16 days