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Note 13 - Commitments and Contingencies (Details Textual) $ in Millions | Jun. 30, 2020 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2010 USD ($)
--- | --- | --- | ---
Loss Contingency Accrual, Product Liability, Net, Total | $ 2 | $ 10 |
Accrual for Environmental Loss Contingencies, Ending Balance | 12 | 13 |
Damages from Product Defects [Member] |  |  |
Loss Contingency, Receivable, Ending Balance | $ 13 | $ 13 |
Property Lease Guarantee [Member] | Structural Products [Member] |  |  |
Guarantee of Lease Obligations, Number of Leases Assigned |  |  | 3
Guarantee Obligations, Other Contracts |  |  | $ 6

X
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- Definition Total costs accrued as of the balance sheet date for environmental loss contingencies. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 25 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6395460&loc=d3e13647-108346 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13207-110859 + Details
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- Definition Amount of receivable related to a loss contingency accrual. For example, an insurance recovery receivable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=121555522&loc=d3e12053-110248 + Details
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