QUARTERLY INFORMATION (UNAUDITED) (Details) - USD ($)	3 Months Ended								12 Months Ended
	Oct. 02, 2021	Jul. 03, 2021	Apr. 03, 2021	Jan. 02, 2021	Oct. 03, 2020	Jun. 27, 2020	Mar. 28, 2020	Dec. 28, 2019	Oct. 02, 2021	Oct. 03, 2020
Quarterly Financial Information Disclosure [Abstract]
Revenues	$ 33,635,000	$ 37,935,000	$ 34,357,000	$ 31,380,000	$ 28,245,000	$ 23,663,000	$ 30,128,000	$ 30,941,000	$ 137,307,000	$ 112,977,000
Income from operations	1,978,000	2,609,000	2,793,000	1,270,000	895,000	(732,000)	1,517,000	1,231,000	8,650,000	2,911,000
Net income (loss) attributable to stockholders	$ 1,354,000	$ 7,199,000	$ 2,451,000	$ 780,000	$ 423,000	$ (455,000)	$ 648,000	$ 494,000	$ 11,784,000	$ 1,110,000
Net income (loss) per share - basic and diluted	$ 0.73	$ 3.87	$ 1.32	$ 0.42	$ 0.22	$ (0.24)	$ 0.35	$ 0.27	$ 6.34	$ 0.60
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