QUARTERLY INFORMATION (UNAUDITED) (Details) - USD ($)	3 Months Ended								12 Months Ended
	Sep. 28, 2019	Jun. 29, 2019	Mar. 30, 2019	Dec. 29, 2018	Sep. 29, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 30, 2017	Sep. 28, 2019	Sep. 29, 2018
Quarterly Financial Information Disclosure [Abstract]
Revenues	$ 29,060,000	$ 29,512,000	$ 29,736,000	$ 27,894,000	$ 27,212,000	$ 28,436,000	$ 29,456,000	$ 28,393,000	$ 116,202,000	$ 113,497,000
Income from operations	1,827,000	1,944,000	1,890,000	655,000	1,251,000	2,094,000	2,512,000	1,587,000	6,316,000	7,444,000
Net income attributable to stockholders	$ 916,000	$ 968,000	$ 1,021,000	$ 743,000	$ 616,000	$ 1,043,000	$ 1,397,000	$ 621,000	$ 3,648,000	$ 3,677,000
Net income per share basic and diluted	$ 0.49	$ 0.52	$ 0.55	$ 0.40	$ 0.34	$ 0.56	$ 0.75	$ 0.33	$ 1.96	$ 1.98
Weighted average common stock outstanding - basic and diluted	1,858,647	1,858,647	1,858,647	1,858,647	1,858,647	1,858,647	1,858,647	1,858,647	1,858,647	1,858,647