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PREPAID EXPENSES AND OTHER CURRENT ASSETS (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
PREPAID EXPENSES AND OTHER CURRENT ASSETS    
Maintenance agreements, current portion $ 4,600 $ 3,636
Income taxes receivable 1,645 1,814
Prepaid expenses 4,191 1,640
Other current assets 953 528
Total $ 11,389 $ 7,618