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Note 12 - Employee Benefit Plan (Details Textual) - USD ($) | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020
Share Based Compensation And Postretirement Benefits, Minimum Age Of Employee (Year) | 21 years |
Share Based Compensation And Postretirement Benefits, Period of Service Required For Eligibility (Year) | 1 year |
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay | 50.00% |
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent | 6.00% |
Defined Contribution Plan, Cost | $ 345,000 | $ 331,000

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- Definition Represents minimum age if employee for share based compensation and postretirement benefits. + References No definition available. + Details
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- Definition Represents period of service required for eligibility for share based compensation and protirement benefits. + References No definition available. + Details
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- Definition Amount of cost for defined contribution plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942 + Details
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- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. + References No definition available. + Details
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- Definition Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan. + References No definition available. + Details
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