The maximum number of shares to be sold under the equity distribution agreement.

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Per share or per unit amount of shares withheld for tax withholding obligation.

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Stock Issued During Period Shares Compensation To Interim CEO

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The number of shares of stock issued during period to directors.

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Stock Issued During Period Value Compensation To Interim CEO

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The value of stock issued during period to directors.

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Amount of decrease to equity for grantee's tax withholding obligation for award under share-based payment arrangement.

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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The per share amount of a dividend declared, but not paid, as of the financial reporting date.

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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The cash outflow for cost incurred directly with the issuance of an equity security.

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The cash inflow from the issuance of common stock, preferred stock, treasury stock, stock options, and other types of equity.

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The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders.

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Amount of noncash expense for share-based payment arrangement.

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Number of shares used to settle grantee's tax withholding obligation for award under share-based payment arrangement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Note 6 - Stockholders' Equity (Details Textual) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	May 21, 2025	Dec. 31, 2024	Feb. 18, 2021
Subsidiary or Equity Method Investee [Line Items]
Share-Based Payment Arrangement, Expense	$ 2,600	$ 2,300	$ 6,500	$ 6,400
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total	$ 14,000		$ 14,000
Stock issued to directors, shares (in shares)			179,836	145,687
Stock-based compensation			$ 7,562	$ 6,401
Common stock issued to directors			$ 1,034	$ 770
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)			1 year 6 months
Stock Issued During Period Shares Compensation To Interim CEO		20,840		31,671
Common stock issued as compensation to interim CEO		$ 127		$ 182
Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation (in shares)			151,976	277,966
Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation			$ 900	$ 1,200
Shares Withheld for Tax Withholding Obligation, Price Per Share (in dollars per share)	$ 5.82	$ 4.31	$ 5.82	$ 4.31
Common stock, shares authorized (in shares)	1,250,000,000		1,250,000,000			1,250,000,000
Dividend per share	$ 0.00375		$ 0.00375
Maximum [Member]
Subsidiary or Equity Method Investee [Line Items]
Common stock, shares authorized (in shares)					1,250,000,000
Minimum [Member]
Subsidiary or Equity Method Investee [Line Items]
Common stock, shares authorized (in shares)					750,000,000
At the market Offering [Member]
Subsidiary or Equity Method Investee [Line Items]
Sale of Stock, Number of Shares Issued in Transaction	6,950,792,000		35,959,328,000
Equity Distribution Agreement, Maximum Number of Shares to be Sold (in shares)							60,000,000
At the market Offering [Member] \| At The Market Equity Distribution Agreement [Member]
Subsidiary or Equity Method Investee [Line Items]
Proceeds from Issuance or Sale of Equity	$ 42,100		$ 216,200
Payments of Stock Issuance Costs	600		3,300
Redeemption of Senior Notes	$ 212,000		$ 212,000