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STOCK-BASED COMPENSATION - Summary of Award Activity under the Stock Option Plans and Changes (Details)	9 Months Ended
	Sep. 26, 2015 $ / shares shares
Shares
Beginning Balance | shares	130,500
Options forfeited/cancelled | shares	(125,358)
Options exercised | shares	(5,142)
Ending Balance | shares	0
Weighted Average Exercise Price
Beginning Balance	$ 3.49
Options forfeited/cancelled	3.50
Options exercised	3.16
Ending Balance	$ 0.00

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Number of share options (or share units) exercised during the current period.

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