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STOCK-BASED COMPENSATION - Summary of Award Activity under the Stock Option Plans and Changes (Details) - 6 months ended Jun. 27, 2015 - $ / shares
Total
Shares  
Beginning Balance 130,500
Options forfeited/cancelled (125,358)
Options exercised (5,142)
Ending Balance 0
Weighted Average Exercise Price  
Beginning Balance $ 3.49
Options forfeited/cancelled 3.50
Options exercised 3.16
Ending Balance $ 0.00