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Note 14 - Related Party Transactions (Details Textual) - USD ($) $ in Thousands						12 Months Ended
	Sep. 19, 2024	Aug. 12, 2024	Aug. 08, 2024	Jun. 08, 2023	May 01, 2023	Dec. 31, 2024	Dec. 31, 2023	Jul. 27, 2024	Jun. 07, 2024
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Net of Forfeitures (in shares)				327,421
Class of Warrant or Right, Exercised During Period (in shares)						12,827
Share-Based Payment Arrangement, Expense						$ 2,594	$ 295
Restricted Stock Units (RSUs) [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period (in shares)		59,264
Share-Based Payment Arrangement, Expense		$ 410				410	$ 0
Shares Issued for Prepaid Services [Member]
Arrangement, Shares to be Issued (in shares)								433,360
Arrangement, Shares to be Issued, Value								$ 2,440
Prepaid Expense								$ 2,925
Series D Warrants [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)									92,799
Warrants and Rights Outstanding, Term (Year)									5 years
Warrants and Rights Outstanding		$ 610
Executive Officer [Member] | Consulting Fees [Member]
Stock Issued During Period, Shares, Issued for Services (in shares)					29,636
Related Party [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Net of Forfeitures (in shares)				288,794
Related Party [Member] | Restricted Stock Units (RSUs) [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period (in shares)		59,264
Share-Based Payment Arrangement, Expense		$ 410
Related Party [Member] | Secured Promissory Notes [Member]
Debt Instrument, Face Amount			$ 209
Debt Instrument, Unamortized Discount (Premium), Net			11
Proceeds from Issuance of Debt			$ 198
Debt Instrument, Interest Rate, Stated Percentage			18.00%
Related Party [Member] | Consulting Fees [Member]
Stock Issued During Period, Shares, Issued for Services (in shares)					29,636
Director [Member] | Shares Issued for Prepaid Services [Member]
Arrangement, Shares to be Issued (in shares)								140,749
Arrangement, Shares to be Issued, Value								$ 745
Prepaid Expense						$ 0		$ 950
Director [Member] | Series D Warrants [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)									30,933
Warrants and Rights Outstanding									$ 203
Class of Warrant or Right, Exercised During Period (in shares)	30,933

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The number of shares to be issued under the arrangement.

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Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

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Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Amount, after accumulated amortization, of debt discount (premium).

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Carrying amount as of the balance sheet date of expenditures made in advance of when the economic benefit of the cost will be realized, and which will be expensed in future periods with the passage of time or when a triggering event occurs.

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