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WARRANTY OBLIGATIONS AND OTHER GUARANTEES (Tables)
12 Months Ended
Dec. 31, 2014
WARRANTY OBLIGATIONS AND OTHER GUARANTEES [Abstract]  
Summary of the activity related to warranty obligations
(In thousands)  
Balance at December 31, 2011 $ 4,660  
Accruals for warranties issued during the period (benefit  from expirations), net   2,039  
Warranty reserve derecognized upon IPTV divestiture   (2,507 )
Settlements made during the period     (2,863 )
Balance at December 31, 2012     1,329  
Accruals for warranties issued during the period (benefit from expirations), net     (473 )
Settlements made during the period     (239 )
Balance at December 31, 2013     617  
Accruals for warranties issued during the period (benefit from expirations), net     (250 )
Settlements made during the period     (150 )
Balance at December 31, 2014   $ 217