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Note 11 - Share Repurchases (Details Textual) - USD ($)	3 Months Ended
	Dec. 31, 2022	Jan. 01, 2022	Nov. 18, 2008
Stock Repurchase Program, Authorized Amount			$ 25,000,000.0
Stock Repurchased and Retired During Period, Value	$ 916,000
Stock Repurchased and Retired During Period, Shares (in shares)	31,654	0
Stock Repurchase Program, Remaining Authorized Repurchase Amount	$ 22,600,000

X

- Definition

Amount of stock repurchase plan authorized.

+ References

No definition available.

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X

- Definition

Amount remaining of a stock repurchase plan authorized.

+ References

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X

- Definition

Number of shares that have been repurchased and retired during the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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- Definition

Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Topic 210
-SubTopic 10
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