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Note 13 - Secured Convertible Notes (Details Textual) $ / shares in Units, $ in Thousands							1 Months Ended	2 Months Ended	3 Months Ended	12 Months Ended
	Jul. 26, 2024 USD ($)	May 30, 2024 $ / shares	Mar. 24, 2024 USD ($) $ / shares	Mar. 01, 2024 USD ($)	May 01, 2023 USD ($)	Apr. 27, 2023 USD ($) $ / shares	Dec. 31, 2023 USD ($)	May 28, 2024 USD ($)	Sep. 30, 2023 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Mar. 31, 2024 USD ($)	Jun. 09, 2023 USD ($)
Amortization of Debt Issuance Costs and Discounts										$ 904	$ 1,694
Gain (Loss) on Extinguishment of Debt										(13)	0
Repayments of Convertible Debt										1,990	1,474
Fair Value Adjustment of Warrants										$ (114)	$ (272)
The 2023 Private Placement [Member]
Proceeds from Convertible Debt					$ 1,200
Debt Issuance Costs, Net					700
Unsecured Convertible Notes [Member]
Debt Instrument, Face Amount			$ 525
Debt Instrument, Convertible, Conversion Price | $ / shares		$ 4.9	$ 0.14
Debt Instrument, Convertible, Number of Equity Instruments		107,146	3,750,000
Embedded Derivative, Fair Value of Embedded Derivative Liability												$ 159
Embedded Derivative, Fair Value								$ 242
Unrealized Gain (Loss) on Derivatives								$ 83
Debt Instrument, Interest Rate, Effective Percentage										144.00%
Amortization of Debt Issuance Costs and Discounts										$ 62
Original Issue Discount Senior Secured Convertible Debentures [Member]
Debt Instrument, Face Amount					3,300
Debt Instrument, Convertible, Conversion Price | $ / shares						$ 1.3
Debt Instrument, Convertible, Number of Equity Instruments		72,528				2,538,464
Embedded Derivative, Fair Value						$ 209							$ 169
Debt Instrument, Interest Rate, Effective Percentage										173.00%
Amortization of Debt Issuance Costs and Discounts										$ 800
Debt Instrument, Unamortized Discount					300
Gain (Loss) on Extinguishment of Debt									$ 13
Debt Instrument, Increase (Decrease), Net						(183)
Debt Instrument, Redemption Price, Amount Per Month						$ 193
Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger						90.00%
Debt Instrument, Convertible, Threshold Trading Days						10
Debt Instrument, Redemption Price, Percentage						20.00%
Repayments of Convertible Debt	$ 433			$ 45			$ 126
Fair Value Adjustment of Warrants					40
Debt Issuance Costs, Net					300
Original Issue Discount Senior Secured Convertible Debentures [Member] | The 2023 Private Placement [Member]
Debt Instrument, Unamortized Discount					$ 300
Original Issue Discount Senior Secured Convertible Debentures [Member] | Measurement Input, Redemption in Stock [Member]
Debt Instrument, Redemption Price, Amount Per Month						$ 193
Original Issue Discount Senior Secured Convertible Debentures [Member] | Post-split Amount [Member]
Debt Instrument, Convertible, Conversion Price | $ / shares		$ 45.5				$ 45.5

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