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DISCONTINUED OPERATIONS (Details 2) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2014
Dec. 31, 2013
Current assets of discontinued operations:    
Total current assets of discontinued operations $ 403 $ 639
Current liabilities of discontinued operations:    
Total current liabilities of discontinued operations 145 260
ALIGN products
    
Current assets of discontinued operations:    
Short-term portion of minimum royalty arrangement receivable, net 258 379
Returns indemnification receivable 145 260
Total current assets of discontinued operations 403 639
Long-term assets of discontinued operations:    
Long-term portion of minimum royalty arrangement receivable, net 24 72
Total assets of discontinued operations 427 711
Current liabilities of discontinued operations:    
Returns provision 145 260
Total current liabilities of discontinued operations $ 145 $ 260