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Summary of Significant Accounting Policies (Tables)
6 Months Ended
Jun. 30, 2016
Accounting Policies [Abstract]  
Schedule of Weighted Average Grant Assumptions
Fair value was estimated at the date of grant using the following weighted average grant date assumptions:
 
Six Months Ended
June 30, 2016
 
Six Months Ended
June 30, 2015
Risk-free interest rate
1.3
%
 
1.8
%
Expected dividend yield
None

 
None

Expected life
6.0 years

 
6.6 years

Expected volatility
82.7
%
 
94.2
%
Expected forfeitures
%
 
%