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Note 6 - Stockholders' Equity and Dilutive Equity Instruments (Tables)

9 Months Ended

Sep. 30, 2022

Notes Tables

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

(In Thousands)		Three Months Ended
		September 30, 2022				September 30, 2021
Balance at June 30, 2022 and 2021		$	1,763			$	(1,082	)
Unrealized loss on note receivable			(429	)			—
Pension benefits recognized in OCI			140				(207	)
Balance at September 30, 2022 and 2021		$	1,474			$	(1,289	)

(In Thousands)		Nine Months Ended
		September 30, 2022				September 30, 2021
Balance at December 31, 2021 and 2020		$	2,668			$	(804	)
Unrealized loss on note receivable			(1,275	)			—
Pension benefits recognized in OCI			81				(485	)
Balance at September 30, 2022 and 2021		$	1,474			$	(1,289	)

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, 2022				September 30, 2021
Common shares outstanding			46,494,323				41,277,377
New creditor warrants (strike price $0.001 per common share)			119,215				635,663
GulfMark creditor warrants (strike price $0.01 per common share)			185,126				565,155
SPO acquisition warrants (strike price $0.001 per common share) (A) (B) (C)			4,003,299				—
Restricted stock units and stock options			1,619,132				1,447,957
Total			52,421,095				43,926,152

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