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Note 5 - Stockholders' Equity and Dilutive Equity Instruments (Tables)

9 Months Ended

Sep. 30, 2024

Notes Tables

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

(In Thousands)		Three Months Ended
		September 30, 2024				September 30, 2023
Balance at June 30, 2024 and 2023		$	5,062			$	4,566
Unrealized gain (loss) on note receivable			130				(153	)
Pension benefits recognized in OCI			(600	)			—
Balance at September 30, 2024 and 2023		$	4,592			$	4,413

(In Thousands)		Nine Months Ended
		September 30, 2024				September 30, 2023
Balance at December 31, 2023 and 2022		$	5,266			$	8,576
Unrealized gain (loss) on note receivable			283				(469	)
Pension benefits recognized in OCI			(957	)			(3,694	)
Balance at September 30, 2024 and 2023		$	4,592			$	4,413

Schedule of Total Shares Outstanding Including Warrants and Restricted Stock Units [Table Text Block]

Total shares outstanding including warrants, restricted stock units and stock options		September 30, 2024				September 30, 2023
Common shares outstanding			52,322,461				52,839,862
New creditor warrants (strike price $0.001 per common share)			76,175				81,244
GulfMark creditor warrants (strike price $0.01 per common share)			77,313				95,835
Restricted stock units and stock options			695,576				1,505,519
Total			53,171,525				54,522,460

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
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-Publisher FASB
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