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OTHER INCOME
3 Months Ended
Mar. 31, 2012
Other Income and Expenses [Abstract]  
OTHER INCOME, NET
OTHER INCOME, NET

Other income consisted of the following (amounts in thousands):
 
Three months ended
 
March 31,
 
2012
 
2011
Gain related to contractual obligation investments
$
1,268

 
$
93

Discount amortization on prepaid royalty
1,039

 

Interest income
205

 
145

Building rental income
175

 

Other income (expense)
424

 
(45
)
 
$
3,111

 
$
193