Quarterly report pursuant to Section 13 or 15(d)

Earnings Per Share - Summary of Anti-Dilutive Equivalent Units Outstanding Excluded From Calculation of Earnings Per Share (Details)

v3.19.3
Earnings Per Share - Summary of Anti-Dilutive Equivalent Units Outstanding Excluded From Calculation of Earnings Per Share (Details) - shares
shares in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Securities excluded from calculation (in shares) 651 550 651 550
Common stock purchase warrants        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Securities excluded from calculation (in shares) 279 335 279 335
Stock options        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Securities excluded from calculation (in shares) 68 101 68 101
Convertible Note        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Securities excluded from calculation (in shares) 206 112 206 112
Advance from NDX        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Securities excluded from calculation (in shares) 98 0 98 0
Restricted shares of common stock        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Securities excluded from calculation (in shares) 0 2 0 2