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) (Common stock, 2017-2019, USD $)
3 Months Ended
Mar. 31, 2015
Class Of Warrant Or Right [Line Items]  
Number of warrants 15,218us-gaap_ClassOfWarrantOrRightOutstanding
Exercise price/share 0.30us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Minimum
 
Class Of Warrant Or Right [Line Items]  
Expiration date 2017
Maximum
 
Class Of Warrant Or Right [Line Items]  
Expiration date 2019