Quarterly report pursuant to Section 13 or 15(d)

Stock-based Compensation - 2015 Inducement Award Plan (Details)

v3.20.2
Stock-based Compensation - 2015 Inducement Award Plan (Details) - shares
6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Granted (shares) 278,537  
2015 Inducement Award Plan    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Possible future issuance under equity compensation plan (in shares) 14,050  
Granted (shares) 17,500 11,500