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OTHER INCOME (Tables)
 9 Months Ended
Sep. 30, 2012
OTHER INCOME, NET [Abstract]  
Interest and Other Income [Table Text Block]
Other income (expense) consisted of the following (amounts in thousands):
 
Three months ended
 
Nine months ended
 
September 30,
 
September 30,
 
2012
 
2011
 
2012
 
2011
Discount amortization on prepaid royalty
$
910

 
$
1,041

 
$
2,882

 
$
2,120

Other income (expense)
474

 
(461
)
 
683

 
(378
)
Gain (loss) related to contractual obligation investments
492

 
(1,255
)
 
1,287

 
(1,111
)
Interest income
372

 
119

 
757

 
357

Building rental income
191

 
—

 
554

 
—

Gain on purchase transaction
—

 
—

 
—

 
919

 
$
2,439

 
$
(556
)
 
$
6,163

 
$
1,907