Quarterly report pursuant to Section 13 or 15(d)

Earnings (Loss) Per Share - Narrative (Details)

v3.19.1
Earnings (Loss) Per Share - Narrative (Details) - shares
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Number of common stock warrant and common stock options exercised (in shares) 24,877 0
Number of common stock issued for stock warrant and stock options exercised (in shares) 19,232  
Shares surrendered in lieu of cash payment (in shares) 5,645  
Common Stock    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Dilutive potential shares (in shares) 49,702,266 16,570,675