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Note 15 - Supplemental Disclosures of Cash Flow Information - Supplemental Disclosures of Cash Flow Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Cash paid for interest	$ 254	$ 268
Cash received for income taxes	(70)	0
Change in capital expenditure accruals	0	18
Asset retirement obligations	(158)	43
Accrual for repurchase of common stock	(59)
Financing of insurance premiums with note payable	$ 0	$ 654

X

- Definition

Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 17
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-17

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- Definition

The fair value of notes issued in noncash investing and financing activities.

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-Topic 230
-SubTopic 10
-Section 50
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Amount of accrual for repurchase of common stock.

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- Definition

Represents the amount of asset retirement obligation incurred.

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- Definition

The cash received for income taxes during the period.

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- Definition

Represents the amount of change in capital expenditure accruals during the period.

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