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Valuation and Qualifying Accounts
 12 Months Ended
Dec. 31, 2012
Valuation and Qualifying Accounts [Abstract]  
Schedule of Valuation and Qualifying Accounts Disclosure [Text Block]
 VALUATION AND QUALIFYING ACCOUNTS
 
Description
 
Balance at beginning of period
 
Other adjustments    
 
Additions charged to costs and expenses
 
Balance at end of period noncurrent
 
 
(in thousands)
 Year ended December 31, 2012:
 
 
 
 
 
 
 
 
Deferred tax assets valuation allowance
 
$
29,953

 
$
(481
)
 
$
88

 
$
29,560

 Year ended December 31, 2011:
 
 
 
 
 
 
 
 
Deferred tax assets valuation allowance
 
$
24,600

 
$
(3,165
)
 
$
8,518

 
$
29,953