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Stock Options and awards (Details) - Stcok Options [Member] - $ / shares | 12 Months Ended
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Dec. 31, 2022 | Jan. 01, 2022
Number of units outstanding at beginning of period | 180,833 | 244,001
Number of units, Exercised | (16,667) | (55,668)
Number of units, Forfeited | (18,000) | (7,500)
Number of units outstanding at end of period | 146,166 | 180,833
Weighted average exercise price, beginning balance | $ 22.88 | $ 21.87
Weighted average exercise price, issued | 0 | 0
Weighted average exercise price, exercised | 21.20 | 19.31
Weighted average exercise price, forfeited | 21.74 | 21.20
Weighted average exercise price, ending balance | $ 23.22 | $ 22.88

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- Definition Number of options outstanding, including both vested and non-vested options. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(ii) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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