STOCK OPTIONS - Schedule of stock options, activity (Details) - USD ($)	12 Months Ended
	Oct. 01, 2022	Oct. 02, 2021	Mar. 15, 2022
Shares
Outstanding, beginning of period (in shares)	596,476	626,500
Granted (in shares)	22,500	110,750
Exercised (in shares)	(48,851)	(49,149)
Canceled or expired (in shares)	(26,000)	(91,625)
Outstanding and expected to vest, end of period (in shares)	544,125	596,476
Outstanding and expected to vest, end of period (in shares)	302,125	246,976
Shares available for future grant (in shares)	477,500	63,750	63,750
Weighted Average Exercise Price
Outstanding, beginning of period (in dollars per share)	$ 19.21	$ 20.41
Granted (in dollars per share)	17.80	10.65
Exercised (in dollars per share)	14.40	14.40
Canceled or expired (in dollars per share)	18.27	19.64
Outstanding and expected to vest, end of period (in dollars per share)	19.63	19.21
Exercisable, end of period (in dollars per share)	$ 21.98	$ 20.33
Weighted Average Contractual Term
Outstanding	6 years 1 month 6 days	6 years 3 months 18 days
Exercisable	4 years 7 months 6 days
Aggregate Intrinsic Value
Outstanding and expected to vest, end of period	$ 840,000	$ 583,000
Exercisable, end of period	$ 0	$ 61,000