Quarterly report pursuant to Section 13 or 15(d)

Stock Based Compensation - Narrative (Details)

v3.7.0.1
Stock Based Compensation - Narrative (Details) - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2017
Dec. 31, 2016
Oct. 19, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of shares authorized (in shares)     4,500,000.0
Compensation expense $ 0    
Restricted Stock      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Fair value of the award as of the modification dates or grant date 11,324,218    
Unrecognized compensation cost   33 months  
Compensation expense $ 569,831