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OTHER INCOME (Tables)
6 Months Ended
Jun. 30, 2012
OTHER INCOME, NET [Abstract]  
Interest and Other Income [Table Text Block]
Other income consisted of the following (amounts in thousands):
 
Three months ended
 
Six months ended
 
June 30,
 
June 30,
 
2012
 
2011
 
2012
 
2011
Discount amortization on prepaid royalty
$
933

 
$
1,079

 
$
1,972

 
$
1,079

Building rental income
188

 

 
363

 

Interest income
180

 
93

 
385

 
238

Gain on purchase transaction

 
919

 

 
919

Other income (expense)
(215
)
 
128

 
209

 
83

Gain (loss) related to contractual obligation investments
(473
)
 
51

 
795

 
144

 
$
613

 
$
2,270

 
$
3,724

 
$
2,463