BASIC AND DILUTED EARNINGS PER SHARE (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Jun. 28, 2014	Jun. 29, 2013
BASIC AND DILUTED EARNINGS PER SHARE
Net loss	$ (7,924,000)	$ (1,606,000)	$ (18,731,000)	$ (19,433,000)
Basic weighted number of average shares outstanding	24,078,000	18,378,000	22,604,000	15,769,000
Diluted weighted average number of shares outstanding	24,078,000	18,378,000	22,604,000	15,769,000
Net loss per share - Basic (in dollars per share)	$ (0.33)	$ (0.09)	$ (0.83)	$ (1.23)
Net loss per share - Diluted (in dollars per share)	$ (0.33)	$ (0.09)	$ (0.83)	$ (1.23)
Stock options
Anti-dilutive shares
Anti-dilutive securities excluded from the computation of diluted earnings (in shares)	1,657,666	1,696,383	1,657,666	1,696,383