Quarterly report pursuant to sections 13 or 15(d)

INCOME TAXES

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INCOME TAXES
 3 Months Ended
Mar. 31, 2013
INCOME TAXES [Abstract]  
INCOME TAXES
13. INCOME TAXES

The Company files an income tax return in the U.S. federal jurisdiction and Texas. Tax returns for the years 2009 through 2011 remain open for examination in various tax jurisdictions in which we operate.  In late 2010 the Internal Revenue Service opened an examination of the Company's 2009 tax return which was subsequently closed without change.   As of March 31, 2013, and December 31, 2012, we recognized no material adjustments in connection with uncertain tax positions.  The income tax rate differs from the statutory rates primarily due to Texas revised franchise tax, the domestic manufacturers' deduction, and various permanent items.