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Note 7 - Affiliates Balances (Tables)

9 Months Ended

Sep. 30, 2021

Notes Tables

Schedule of Related Party Transactions [Table Text Block]

(In thousands)		September 30, 2021				December 31, 2020
Due from affiliates:
Angolan joint venture (Sonatide)		$	47,251			$	41,623
Nigeria joint venture (DTDW)			20,966				20,427
			68,217				62,050
Due to affiliates:
Sonatide		$	38,605			$	32,767
DTDW			20,966				20,427
			59,571				53,194
Net due from affiliates		$	8,646			$	8,856

Schedule of Amounts Due From Affiliate [Table Text Block]

		Nine Months
		Ended
(In thousands)		September 30, 2021
Due from Sonatide at December 31, 2020		$	41,623
Revenue earned by the company through Sonatide			29,096
Less amounts received from Sonatide			(19,275	)
Less amounts used to offset due to Sonatide obligations			(5,177	)
Other			984
Total due from Sonatide at September 30, 2021		$	47,251

Schedule of Amoutns Due to Affiliate [Table Text Block]

		Nine Months
		Ended
(In thousands)		September 30, 2021
Due to Sonatide at December 31, 2020		$	32,767
Plus additional commissions payable to Sonatide			2,659
Plus amounts paid by Sonatide on behalf of the company			7,811
Less amounts used to offset due from Sonatide obligations			(5,177	)
Other			545
Total due to Sonatide at September 30, 2021		$	38,605

Equity Method Investments [Table Text Block]

		Three Months Ended								Nine Months Ended
		September 30, 2021				September 30, 2020				September 30, 2021				September 30, 2020
Revenues of Angolan operations (in thousands)		$	12,046			$	10,660			$	30,413			$	35,086
Percent of consolidated vessel revenues			13	%			12	%			11	%			12	%
Number of company owned vessels in Angola			24				24				23				26
Number of stacked company owned vessels in Angola			4				8				5				9

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571

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