GOODWILL AND AMORTIZABLE INTANGIBLE ASSETS - Amortization of Intangible Assets (Details) - USD ($)	12 Months Ended
	Jan. 02, 2016	Jan. 03, 2015
Estimated amortization expense
2016	$ 21,000
2017	0
2018	0
2019	0
2020	0
Gross carrying amount	720,000	$ 720,000
Accumulated amortization	699,000	654,000
Amortization expense	45,000	52,000
Restrictive Land Covenant [Member]
Estimated amortization expense
Gross carrying amount	350,000	350,000
Accumulated amortization	332,000	297,000
Customer Relationships [Member]
Estimated amortization expense
Gross carrying amount	370,000	370,000
Accumulated amortization	$ 367,000	$ 357,000