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Earnings (Loss) Per Share (Details) - shares
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Earnings Per Share [Abstract]    
Weighted average shares used in basic computations (in shares) 42,892,879,000 41,486,496,000
Dilutive effect of stock options and restricted stock units (in shares) 22,149,000 4,157,000
Weighted average shares used in diluted computations (in shares) 42,915,028,000 41,490,653,000
Antidilutive securities (in shares) 68,820 104,324