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Industrial Revenue Bond (Tables)
 6 Months Ended
Jun. 30, 2013
Debt Disclosure [Abstract]  
Summary Of Industrial Revenue Bond Off Sets
Below is a summary of the financial asset and liability that are offset at June 30, 2013 and December 31, 2012, respectively.
 
 
(i)
 
(ii)
 
(iii) = (i) - (ii)
Description
 
Gross
Amounts of
Recognized
Assets
(Liabilities)
 
Gross
Amounts
offset in the
Balance Sheet
 
Net Amounts of
Assets (Liabilities)
presented in the
Balance Sheet
 
 
 
 
 
 
 
June 30, 2013
 
 
 
 
 
 
Investment in bonds
 
$
7,000

 
$
7,000

 
$
—

Capital lease obligation
 
$
(7,000
)
 
$
(7,000
)
 
$
—

 
 
 
 
 
 
 
December 31, 2012
 
 
 
 
 
 
Investment in bonds
 
$
7,000

 
$
7,000

 
$
—

Capital lease obligation
 
$
(7,000
)
 
$
(7,000
)
 
$
—