XML 64 R51.htm IDEA: XBRL DOCUMENT v3.6.0.2
Employee and Consultant Equity-Based Compensation - Non-Qualified Stock Option Plan (Details) - shares
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Exercise of options (shares) 158,743 124,884  
Outstanding (shares) 6,857,124 6,167,170 5,628,726
Non-Qualified Stock Option Plan | Stock Option      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Expiration period 10 years    
Exercise of options (shares) 273,900    
Outstanding (shares) 6,100    
Options available (shares) 0