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Note 3 - Income Taxes - Operating Loss Carryforwards (Details) $ in Millions | Sep. 30, 2020 USD ($)
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Domestic Tax Authority [Member] | Internal Revenue Service (IRS) [Member] |
Operating Loss Carryforward | $ 20.1
Operating Loss Carryforward, No Expiration | 1.6
Domestic Tax Authority [Member] | California Franchise Tax Board [Member] |
Operating Loss Carryforward | 6.1
Domestic Tax Authority [Member] | Other State [Member] |
Operating Loss Carryforward | 2.6
Domestic Tax Authority [Member] | Expires at Fiscal Year Ended September 30, 2036 [Member] | Internal Revenue Service (IRS) [Member] |
Operating Loss Carryforward | 8.0
Domestic Tax Authority [Member] | Expires at Fiscal Year Ended September 30, 2037 [Member] | Internal Revenue Service (IRS) [Member] |
Operating Loss Carryforward | 6.6
Domestic Tax Authority [Member] | Expires at Fiscal Year Ended September 30, 2038 [Member] | Internal Revenue Service (IRS) [Member] |
Operating Loss Carryforward | 11.1
Domestic Tax Authority [Member] | Expires at Fiscal Year Ended September 30, 2039 [Member] | Internal Revenue Service (IRS) [Member] |
Operating Loss Carryforward | 0.0
State and Local Jurisdiction [Member] | California Franchise Tax Board [Member] |
Operating Loss Carryforward, No Expiration | 0.0
State and Local Jurisdiction [Member] | Other State [Member] |
Operating Loss Carryforward, No Expiration | 0.0
State and Local Jurisdiction [Member] | Expires at Fiscal Year Ended September 30, 2036 [Member] | California Franchise Tax Board [Member] |
Operating Loss Carryforward | 0.0
State and Local Jurisdiction [Member] | Expires at Fiscal Year Ended September 30, 2036 [Member] | Other State [Member] |
Operating Loss Carryforward | 0.0
State and Local Jurisdiction [Member] | Expires at Fiscal Year Ended September 30, 2037 [Member] | California Franchise Tax Board [Member] |
Operating Loss Carryforward | 0.0
State and Local Jurisdiction [Member] | Expires at Fiscal Year Ended September 30, 2037 [Member] | Other State [Member] |
Operating Loss Carryforward | 3.0
State and Local Jurisdiction [Member] | Expires at Fiscal Year Ended September 30, 2038 [Member] | California Franchise Tax Board [Member] |
Operating Loss Carryforward | 5.4
State and Local Jurisdiction [Member] | Expires at Fiscal Year Ended September 30, 2038 [Member] | Other State [Member] |
Operating Loss Carryforward | 2.0
State and Local Jurisdiction [Member] | Expires at Fiscal Year Ended September 30, 2039 [Member] | California Franchise Tax Board [Member] |
Operating Loss Carryforward | 7.0
State and Local Jurisdiction [Member] | Expires at Fiscal Year Ended September 30, 2039 [Member] | Other State [Member] |
Operating Loss Carryforward | $ 3.0

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- Definition Operating loss carryforwards that are not subject to expiration dates. + References No definition available. + Details
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- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32559-109319 + Details
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