Quarterly report pursuant to Section 13 or 15(d)

Equity (Details Textual)

v3.5.0.2
Equity (Details Textual) - USD ($)
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Dec. 31, 2015
Equity (Textual)          
Common stock issued, shares     23,212    
Stock based compensation expense $ 1,000,000 $ 800,000 $ 2,700,000 $ 2,700,000  
Fair value assumptions, expected volatility rate [1]     75.00%   87.00%
Fair value assumptions, expected term     1 year 3 months   2 years
Fair value assumptions, expected dividend rate [2]      
Stock-based compensation     $ 3,077,814 6,307,799  
Unrecognized compensation expense $ 7,400,000   $ 7,400,000    
Stock Options [Member]          
Equity (Textual)          
Number of stock option granted     2,055,000    
Share-based compensation term     10 years    
Share-based compensation vesting period     4 years    
Stock option exercise prices     $ 0.78    
Fair value of stock option     $ 3,000,000    
Fair value assumptions, expected term     6 years    
Fair value assumptions, expected dividend rate     0.00%    
Stock-based compensation     $ 300,000    
Stock Options [Member] | Minimum [Member]          
Equity (Textual)          
Exercise price $ 1.72   $ 1.72    
Fair value assumptions, expected discount rate     1.32%    
Fair value assumptions, expected volatility rate     82.47%    
Stock Options [Member] | Maximum [Member]          
Equity (Textual)          
Exercise price $ 2.25   $ 2.25    
Fair value assumptions, expected discount rate     1.66%    
Fair value assumptions, expected volatility rate     87.95%    
Common Stock [Member]          
Equity (Textual)          
Common stock issued, shares     3,504,493    
Proceeds from common stock issued     $ 6,800,000    
Warrant [Member]          
Equity (Textual)          
Common stock issued, shares     125,862    
Common shares issued for cashless exercise of warrants     125,862    
Stock based compensation expense $ 4,966 57,772 $ 100,000 200,000  
Number of stock option granted     45,000    
Exercise price $ 1.77   $ 1.77    
Warrants exercised by warrant holders     183,718    
Warrant [Member] | Minimum [Member]          
Equity (Textual)          
Exercise price 1.35   $ 1.35    
Warrant [Member] | Maximum [Member]          
Equity (Textual)          
Exercise price $ 1.77   $ 1.77    
Restricted Stock [Member]          
Equity (Textual)          
Number of shares of restricted stock, vested     26,000    
Stock based compensation expense $ 100,000 $ 300,000 $ 300,000 $ 3,500,000  
Share-based compensation option vested number of shares     75,000    
Restricted Stock [Member] | Consultant [Member]          
Equity (Textual)          
Number of shares of restricted stock, granted     85,750    
Restricted stock granted value     $ 173,850    
Share-based compensation option vested number of shares     10,750    
[1] As of September 30, 2016 and December 31, 2015, the volatility was estimated using the historical volatilities of the Company's common stock traded in NYSE MKT market.
[2] Management determined the dividend yield to be 0% based upon its expectation that it will not pay dividends for the foreseeable future.