Best estimate of the loss exposure for reasonably possible environmental contingencies at an individual site for which no accrual has been recorded.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 410
-SubTopic 30
-Section 50
-Paragraph 10
-Subparagraph (c),(d)(2)
-URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13237-110859

Reference 2: http://www.xbrl.org/2003/role/recommendedDisclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 410
-SubTopic 30
-Section 50
-Paragraph 10
-Subparagraph (d)(2)
-URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13237-110859

Name:	us-gaap_SiteContingencyLossExposureNotAccruedBestEstimate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Note 22 - Subsequent Events (Details Textual)	Feb. 07, 2022 USD ($)	Jan. 27, 2022 shares	Dec. 31, 2021 shares	Dec. 31, 2020 shares
Common Stock, Shares Authorized (in shares)			250,000,000	250,000,000
Subsequent Event [Member]
Common Stock, Shares Authorized (in shares)		500,000,000
Subsequent Event [Member] \| Accidental Discharge [Member]
Site Contingency, Number of Sites	1
Site Contingency, Loss Exposure Not Accrued, Best Estimate \| $	$ 300,000