XML 74 R63.htm IDEA: XBRL DOCUMENT
v3.24.1

Note 11 - Stock-based Compensation Plan - Stock Option Activity (Details) (Parentheticals) - shares | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Options exercisable (in shares) | 173,032 | 167,886

X
- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant