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In reference to the twelve month net revenue target for year three.

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In reference to the interest rate floor.

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The maximum operating expense covenant under debt instrument.

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The amount of minimum cash balance required for debt instrument.

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Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense.

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Amount of amortization expense attributable to debt issuance costs.

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Exercise price per share or per unit of warrants or rights outstanding.

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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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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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The effective interest rate at the end of the reporting period.

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Number of new stock issued during the period.

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Note 5 - Debt (Details Textual) - USD ($)		3 Months Ended		6 Months Ended		12 Months Ended
Note 5 - Debt (Details Textual) - USD ($)	Nov. 07, 2024	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2027	Dec. 31, 2026
Amortization of Debt Issuance Costs		$ 66,000		$ 131,000	$ 130,000
Amortization of Debt Discount (Premium)		$ 175,000	$ 173,000	$ 348,000	$ 342,000
Perceptive [Member]
Stock Issued During Period, Shares, New Issues (in shares)	150,000
Perceptive Credit Agreement [Member]
Debt Instrument, Minimum Cash Balance	$ 3,000,000
Perceptive Credit Agreement [Member] \| Perceptive Warrants [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)	1,250,000
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)	$ 2.43
Line of Credit [Member] \| Perceptive Credit Agreement [Member]
Debt Instrument, Interest Rate Floor, Percent				5.00%
Debt Instrument, Basis Spread on Variable Rate				7.00%
Line of Credit Facility, Interest Rate at Period End		12.00%		12.00%
Amortization of Debt Issuance Costs			$ 65,000
Line of Credit [Member] \| Perceptive Credit Agreement [Member] \| Forecast [Member]
Debt Instrument, Covenant, Twelve Month Net Revenue Target, Year Three							$ 52,400,000
Debt Instrument, Covenant, Twelve Month Net Revenue Target, Year Four						$ 60,300,000
Debt Instrument, Maximum Operating Expense Covenant							$ 45,000,000