Quarterly report pursuant to sections 13 or 15(d)

NET INCOME PER COMMON SHARE ATTRIBUTABLE TO ARABIAN AMERICAN DEVELOPMENT CO (Details)

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NET INCOME PER COMMON SHARE ATTRIBUTABLE TO ARABIAN AMERICAN DEVELOPMENT CO (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Basic Net Income per Share [Abstract]    
Net Income Attributable to Arabian American Development Co. $ 4,786 [1] $ 1,995 [1]
Weighted average number of shares outstanding, basic (in shares) 24,105,000 [1] 24,043,000 [1]
Net Income Attributable to Arabian American Development Company (in dollars per share) $ 0.20 [1] $ 0.08 [1]
Diluted Net Income per Share [Abstract]    
Net Income Attributable to Arabian American Development Co. $ 4,786 $ 1,995
Dilutive stock options outstanding (in shares) 553,000 934,000
Weighted average number of shares outstanding, diluted (in shares) 24,658,000 [1] 24,977,000 [1]
Net Income Attributable to Arabian American Development Company (in dollars per share) $ 0.19 [1] $ 0.08 [1]
Exercisable, stock options (in shares) 446,009 285,415
Number of shares held in treasury by an outside party (in shares) 300,000 300,000
[1] Restated - See Notes 2 and 3