STOCK OPTIONS - Schedule of Stock Options, Activity (Details) - USD ($)	12 Months Ended
Sep. 30, 2023	Oct. 01, 2022	Mar. 15, 2022
Shares
Outstanding, beginning of period (in shares)	544,125	596,476
Granted (in shares)	0	22,500
Exercised (in shares)	(3,750)	(48,851)
Canceled or expired (in shares)	(69,125)	(26,000)
Outstanding and expected to vest, end of period (in shares)	471,250	544,125
Exercisable, end of period (in shares)	310,125	302,125
Shares available for future grant (in shares)	477,500	477,500	63,750
Weighted Average Exercise Price
Outstanding, beginning of period (in USD per share)	$ 19.63	$ 19.21
Granted (in USD per share)		17.80
Exercisable (in USD per share)	10.65	14.40
Canceled or expired (in USD per share)	20.50	18.27
Outstanding and expected to vest, end of period (in USD per share)	19.57	19.63
Exercisable, end of period (in USD per share)	$ 20.21	$ 21.98
Weighted Average Contractual Term
Outstanding	5 years 2 months 12 days	6 years 1 month 6 days
Exercisable	4 years 4 months 24 days
Aggregate Intrinsic Value
Outstanding and expected to vest, end of period	$ 413,000	$ 840,000
Exercisable, end of period	$ 207,000	$ 0

Share-based Compensation Arrangement by Share-based Payment Award, Options, Weighted Average Contractual Term

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Number of shares authorized for issuance under share-based payment arrangement.

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.

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Weighted average price of options that were either forfeited or expired.

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Gross number of share options (or share units) granted during the period.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Number of options outstanding, including both vested and non-vested options.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Number of share options (or share units) exercised during the current period.

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