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Note 9 - Debt - Summary of Debt Outstanding (Details) - USD ($)
$ in Thousands

Jun. 30, 2021

Dec. 31, 2020

Long-term debt, gross

^[1]

$ 160,264

$ 197,975

Debt premiums and discounts, net

(4,297)

(5,244)

Less: Current portion of long-term debt

(7,355)

(27,797)

Total long-term debt

148,612

164,934

The 8.00% Senior Secured Notes due August 2022 [Member]

Long-term debt, gross

^[2],[3],[4]

135,210

147,049

NOK Denominated Notes Due May 2024 [Member] | Troms Offshore [Member]

Long-term debt, gross

^[1]

2,810

5,954

NOK Denominated Notes Due January 2026 [Member] | Troms Offshore [Member]

Long-term debt, gross

^[1]

7,287

14,559

USD Denominated Notes Due January 2027 [Member] | Troms Offshore [Member]

Long-term debt, gross

^[1]

7,513

14,744

USD Denominated Notes Due April 2027 [Member] | Troms Offshore [Member]

Long-term debt, gross

^[1]

$ 7,444

$ 15,669

[1]	We pay principal and interest on these notes semi-annually. As of June 30, 2021 and December 31, 2020, the aggregate fair value (Level 2) of the Troms Offshore borrowings was $24.4 million and $51.6 million, respectively. The weighted average interest rate of the Troms Offshore borrowings as of June 30, 2021 was 5.0%.
[2]	As of June 30, 2021 and December 31, 2020 the fair value (Level 2) of the Senior Secured Notes was $138.3 million and $141.4 million, respectively.
[3]	During the six months ended June 30, 2021, we repurchased $11.8 million of the Senior Secured Notes at a premium of $0.1 million in open market transactions.
[4]	The $20.3 million restricted cash on the balance sheet at June 30, 2021, represents approximately 65% of net proceeds from asset dispositions since the date of the last tender offer and is restricted by the terms of the Indenture.

X

- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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