BUSINESS COMBINATIONS (Details)				4 Months Ended
	Jul. 28, 2017 USD ($) item $ / shares shares	Mar. 04, 2016 USD ($) shares	Feb. 26, 2016 USD ($) installment	Jul. 01, 2016 USD ($)	Sep. 29, 2017 $ / shares	Dec. 30, 2016 $ / shares
BUSINESS COMBINATIONS
Common stock, par value (in dollars per share) | $ / shares					$ 0.01	$ 0.01
Genesys
BUSINESS COMBINATIONS
Purchase price		$ 15,050,000	$ 15,100,000
Cash paid at closing			6,000,000	$ 2,900,000
Common stock shares issued | shares		255,808
Common stock value			2,200,000
Cash payable in installments			$ 4,600,000
Number of monthly installments | installment			24
Integral Analytics, Inc
BUSINESS COMBINATIONS
Cash paid at closing	$ 15,000,000
Number of trading days	10 days
Earn-out payments period	3 years
Number of factors determining size of earn-out payments | item	2
Earn-out payments first factor	2.00%
Earn-out payments second factor	20.00%
Integral Analytics, Inc | Maximum
BUSINESS COMBINATIONS
Purchase price	$ 30,000,000
Earn-out payments	$ 12,000,000
Common Stock | Integral Analytics, Inc
BUSINESS COMBINATIONS
Common stock shares issued | shares	90,611
Common stock, par value (in dollars per share) | $ / shares	$ 0.01
Common stock value	$ 3,000,000