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RESTRUCTURING EXPENSE (Details) (USD $)
3 Months Ended
Mar. 31, 2014
Dec. 31, 2013
Mar. 31, 2014
Continuing Lease Obligations
Changes in restructuring expenses      
December 31, 2013     $ 462,000
Restructuring expense     4,000
Payments     (74,000)
March 31, 2014     392,000
Restructuring liabilities      
Restructuring liabilities included in accrued expense and other current liabilities 289,000 284,000  
Restructuring liabilities included in other non-current liabilities $ 100,000 $ 200,000