Quarterly report pursuant to Section 13 or 15(d)

Business (Details)

v3.7.0.1
Business (Details) - USD ($)
1 Months Ended 3 Months Ended
Apr. 27, 2017
Apr. 30, 2017
Mar. 31, 2017
Mar. 31, 2016
Dec. 31, 2016
Dec. 31, 2015
Organization, Consolidation and Presentation of Financial Statements [Abstract]            
Net loss     $ 1,960,638 $ 5,140,013    
Negative cash flows from operations     2,245,563 3,706,560    
Accumulated deficit     71,995,721   $ 70,035,083  
Cash and cash equivalents     $ 3,001,553 $ 16,601,641 $ 5,127,958 $ 21,161,967
Securities Purchase Agreement | Armistice | Subsequent Event            
Subsidiary, Sale of Stock [Line Items]            
Proceeds from sale of shares under common stock purchase agreements $ 4,650,000 $ 5,000,000