Quarterly report pursuant to Section 13 or 15(d)

Warrants - Summary of Outstanding Warrants (Details)

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Warrants - Summary of Outstanding Warrants (Details) - Jun. 30, 2015 - Common stock - 2017-2019 - $ / shares
Total
Class Of Warrant Or Right [Line Items]  
Number of warrants 15,218
Exercise price/share $ 0.30
Minimum  
Class Of Warrant Or Right [Line Items]  
Expiration date 2017
Maximum  
Class Of Warrant Or Right [Line Items]  
Expiration date 2019