XML 61 R51.htm IDEA: XBRL DOCUMENT v3.21.2
Income (Loss) Per Share - Summary of Shares Equivalents Excluded from Continued Operations Dilutive Share Computation (Detail) - shares
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Anti-dilutive securities excluded from diluted share computation (in shares) 122 852 155 900
Restricted stock awards        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Anti-dilutive securities excluded from diluted share computation (in shares) 0 2 0 3
Stock options        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Anti-dilutive securities excluded from diluted share computation (in shares) 33 193 39 209
Warrants        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Anti-dilutive securities excluded from diluted share computation (in shares) 89 657 116 688