REVOLVING BANK LOAN AND LONG-TERM DEBT (Details) (USD $)	3 Months Ended		3 Months Ended						3 Months Ended						3 Months Ended	0 Months Ended	3 Months Ended	0 Months Ended	3 Months Ended
	Mar. 29, 2014	Dec. 28, 2013	Mar. 29, 2014 Minimum Fiscal year ending December 28, 2013	Mar. 29, 2014 Minimum Period ending March 29, 2014	Mar. 29, 2014 Minimum Period Ending June 28, 2014	Mar. 29, 2014 Minimum Period ending September 27, 2014	Mar. 29, 2014 Minimum Period ending on or after December 31, 2014	Nov. 18, 2011 Term loan	Mar. 29, 2014 Revolving credit facility	Mar. 20, 2014 Revolving credit facility	Mar. 21, 2013 Revolving credit facility	Nov. 18, 2011 Revolving credit facility	Mar. 29, 2014 Revolving credit facility Minimum	Nov. 18, 2011 Revolving credit facility Maximum	Mar. 29, 2014 Revolving credit facility LIBOR	Jul. 01, 2014 Revolving credit facility LIBOR Subsequent event	Mar. 29, 2014 Revolving credit facility Prime rate	Jul. 01, 2014 Revolving credit facility Prime rate Subsequent event	Mar. 29, 2014 Funded debt	Mar. 30, 2013 Funded debt
REVOLVING BANK LOAN AND LONG-TERM DEBT
Maximum revolving credit facility line										$ 18,000,000	$ 15,000,000	$ 20,000,000
Original principal amount								4,648,000
Borrowings as a percentage of eligible accounts receivable														80.00%
Borrowings as a percentage of eligible inventories													50.00%	50.00%
Maximum inventory borrowings													8,500,000
Borrowings as a percentage of capital expenditures													80.00%
Annual capital expenditures, maximum									4,000,000
Annual capital expenditures for fiscal year 2014, maximum									2,000,000
Annual capital expenditures for fiscal year 2015, maximum									2,000,000
Fixed charge coverage ratio					1.05	1.15	1.5
EBITDA requirements			2,500,000	1,500,000
Minimum tangible net worth threshold, base amount		35,000,000
Minimum tangible net worth threshold, percentage of the consolidated net income		50.00%
Maximum balance sheet leverage ratio	1.00
Period after the end of each fiscal year, within which specified percentage of excess cash flow to be paid	120 days
Specified percentage of excess cash flow to be paid after the end of each fiscal year	50.00%
Variable interest rate base															LIBOR	LIBOR	prime rate	prime rate
Percentage points added to the reference rate															3.25%	3.00%	1.00%	0.75%
Outstanding amount																			6,693,000	3,783,000
Highest balance outstanding during the period																			6,693,000	3,783,000
Average outstanding																			4,420,000	3,783,000
Weighted average interest rates including the fee on the unused line of credit and other recurring bank charges but excluding finance charges for letters of credit (as a percent)																			5.20%	7.90%
Outstanding amount of letters of credit total																			$ 5,415,000
Period over which existing cash balance, anticipated cash flow from operations and borrowings available under the credit agreement will be sufficient to cover expected cash needs	12 months