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Note 7 - Affiliates Balances (Tables)

3 Months Ended

Mar. 31, 2021

Notes Tables

Schedule of Related Party Transactions [Table Text Block]

(In thousands)		March 31, 2021				December 31, 2020
Due from affiliates:
Angolan joint venture (Sonatide)		$	41,843			$	41,623
Nigeria joint venture (DTDW)			20,631				20,427
			62,474				62,050
Due to affiliates:
Sonatide		$	35,725			$	32,767
DTDW			20,631				20,427
			56,356				53,194
Net due from affiliates		$	6,118			$	8,856

Schedule of Amounts Due From Affiliate [Table Text Block]

		Three Months
		Ended
(In thousands)		March 31, 2021
Due from Sonatide at December 31, 2020		$	41,623
Revenue earned by the company through Sonatide			8,695
Less amounts received from Sonatide			(8,162	)
Other			(313	)
Total due from Sonatide at March 31, 2021		$	41,843

Schedule of Amoutns Due to Affiliate [Table Text Block]

		Three Months
		Ended
(In thousands)		March 31, 2021
Due to Sonatide at December 31, 2020		$	32,767
Plus additional commissions payable to Sonatide			814
Plus amounts paid by Sonatide on behalf of the company			2,089
Other			55
Total due to Sonatide at March 31, 2021		$	35,725

Equity Method Investments [Table Text Block]

		Three Months Ended
		March 31, 2021				March 31, 2020
Revenues of Angolan operations (in thousands)		$	9,292			$	12,137
Percent of consolidated vessel revenues			11	%			11	%
Number of company owned vessels in Angola			22				28
Number of stacked company owned vessels in Angola			6				11

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+ References

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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