Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies (Details Textual)

v3.7.0.1
Summary of Significant Accounting Policies (Details Textual) - USD ($)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Jan. 31, 2015
Summary of Significant Accounting Policies (Textual)      
U.S. Treasury bills $ 3,686,196    
Certificates of deposit 1,742,766    
Unrecognized stock option compensation expense $ 1,921,906    
Recognized options vest over period 4 years    
Deferred offering related costs   $ 35,811 $ 996,516
Minimum [Member]      
Summary of Significant Accounting Policies (Textual)      
Estimated useful lives of the assets 1 year    
Maximum [Member]      
Summary of Significant Accounting Policies (Textual)      
Estimated useful lives of the assets 5 years