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Note 13 - Income Tax - Open Tax Years by Major Tax Jurisdiction (Details) | 12 Months Ended
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Dec. 31, 2022
Domestic Tax Authority [Member] | Internal Revenue Service (IRS) [Member] |
Open tax year | 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022
State and Local Jurisdiction [Member] |
Open tax year | 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022
Foreign Tax Authority [Member] | Ministry of Finance, India [Member] |
Open tax year | 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022
Foreign Tax Authority [Member] | Mauritius Revenue Authority [Member] |
Open tax year | 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022

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- Definition Tax year that remains open to examination under enacted tax laws, in YYYY format. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (e) -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32718-109319 + Details
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Namespace Prefix: | us-gaap_
Data Type: | dtr-types:gYearListItemType
Balance Type: | na
Period Type: | duration

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Data Type: | na
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- Details
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