XML 61 R50.htm IDEA: XBRL DOCUMENT v3.8.0.1
Net Income Per Share (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Dec. 31, 2016
Numerator:          
Net income attributable to AXT, Inc $ 4,419 $ 2,229 $ 7,014 $ 3,422  
Less: Preferred stock dividends (44) (44) (132) (132)  
Net income available to common stockholders $ 4,375 $ 2,185 $ 6,882 $ 3,290  
Denominator:          
Denominator for basic net income per share - weighted average common shares (in shares) 38,499,000 32,110,000 36,999,000 32,043,000  
Effect of dilutive securities:          
Denominator for dilutive net income per common share (in shares) 40,095,000 33,138,000 38,469,000 32,615,000  
Net income attributable to AXT, Inc. per common share:          
Basic (in dollars per share) $ 0.11 $ 0.07 $ 0.19 $ 0.10  
Diluted (in dollars per share) $ 0.11 $ 0.07 $ 0.18 $ 0.10  
Preferred stock, shares issued (in shares) 883,000   883,000   883,000
Preferred stock, shares outstanding (in shares) 883,000   883,000   883,000
Preferred stock, par value (in dollars per share) $ 0.001   $ 0.001   $ 0.001
Preferred stock, value $ 3,532   $ 3,532   $ 3,532
Cumulative annual dividend rate (as a percent)     5.00%   5.00%
Liquidation preference over common stock (in dollars per share) $ 4   $ 4   $ 4
Options [Member]          
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]          
Securities excluded from diluted net income (loss) per share as the impact is anti-dilutive (in shares) 68,000 652,000 573,000 910,000  
Restricted Stock Awards [Member]          
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]          
Securities excluded from diluted net income (loss) per share as the impact is anti-dilutive (in shares) 34,000   11,000    
Options [Member]          
Effect of dilutive securities:          
Effect of dilutive securities (in shares) 1,416,000 827,000 1,283,000 425,000  
Restricted Stock Awards [Member]          
Effect of dilutive securities:          
Effect of dilutive securities (in shares) 180,000 201,000 187,000 147,000