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Per share amount of minimum price for milestone one for contingent earnout in business combination.

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The period for milestone one of contingent earnout in business combination.

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Period for trading days for milestone one of contingent earnout in business combination.

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Period for change of control for milestone two of contingent earnout in business combination.

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Period for trading days for milestone two of contingent earnout in business combination.

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Per share amount of minimum price for milestone two for contingent earnout in business combination.

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The period for milestone two of contingent earnout in business combination.

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Period for trading days for milestone two of contingent earnout in business combination.

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The number of shares issued or issuable upon completion of milestone one in business combination.

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The number of shares issued or issuable upon completion of milestone two in a business combination.

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Represents the amount of cash receipts from government assistance during the period.

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Amount of decrease in additional paid in capital (APIC) resulting from a stock split in which per-share par value or stated value is not changed proportionately.

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The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

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Amount of government assistance awarded that comprises amount received, receivable, and to be received unless condition for government assistance is not met. Includes, but is not limited to, government grant, assistance, incentive, award, subsidy, and loan.

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Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer.

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Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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Amount of expense for research and development. Includes, but is not limited to, cost for computer software product to be sold, leased, or otherwise marketed and writeoff of research and development assets acquired in transaction other than business combination or joint venture formation or both. Excludes write-down of intangible asset acquired in business combination or from joint venture formation or both, used in research and development activity.

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Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one.

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Note 2 - Summary of Significant Accounting Policies (Details Textual)			3 Months Ended		6 Months Ended
	Jul. 11, 2024 USD ($) $ / shares	Dec. 30, 2020 $ / shares shares	Jun. 30, 2025 USD ($) $ / shares	Jun. 30, 2024 USD ($)	Jun. 30, 2025 USD ($) $ / shares	Jun. 30, 2024 USD ($)	Jan. 31, 2025 USD ($)	Dec. 31, 2024 USD ($) $ / shares	Jan. 31, 2024 USD ($)	Oct. 31, 2023 USD ($)
Preferred Stock, Par or Stated Value Per Share (in dollars per share) \| $ / shares			$ 0.0001		$ 0.0001			$ 0.0001
Inventory, Raw Materials, Gross			$ 64,000		$ 64,000			$ 53,000
Inventory, Finished Goods, Gross			15,000		15,000			$ 15,000
Research and Development Expense			3,514,000	$ 4,150,000	4,995,000	$ 10,019,000
General and Administrative Expense			2,377,000	3,314,000	5,033,000	6,734,000
Grant Funding on Conditional Grants [Member]
Research and Development Expense			2,100,000	1,700,000	6,200,000	2,000,000
General and Administrative Expense			100,000	100,000	200,000	100,000
NIH Grant Total [Member]
Government Assistance, Award Amount										$ 45,100,000
Subawards [Member]
Government Assistance, Award Amount							$ 8,000,000		$ 7,300,000
Government Assistance, Cash Receipt			$ 2,100,000	$ 1,800,000	$ 6,400,000	$ 1,800,000
Reverse Recapitalization [Member] \| Clene Nanomedicine Contingent Earn-out [Member]
Business Combination, Contingent Earnout Shares, Milestone One (in shares) \| shares		166,928
Business Combination, Contingent Earnout, Milestone One, Minimum Price (in dollars per share) \| $ / shares		$ 300
Business Combination, Contingent Earnout, Milestone One, Consecutive Trading Days (Day)		20 days
Business Combination, Contingent Earnout, Milestone One, Trading Day Period (Day)		30 days
Business Combination, Contingent Earnout, Milestone One, Period (Year)		3 years
Business Combination, Contingent Earnout Shares, Milestone Two (in shares) \| shares		125,200
Business Combination, Contingent Earnout, Milestone Two, Minimum Price (in dollars per share) \| $ / shares		$ 400
Business Combination, Contingent Earnout, Milestone Two, Consecutive Trading Days (Day)		20 days
Business Combination, Contingent Earnout, Milestone Two, Trading Day Period (Day)		30 days
Business Combination, Contingent Earnout, Milestone Two, Period (Year)		5 years
Business Combination, Contingent Earnout, Milestone Two, Change of Control Period (Year)		5 years
Reverse Recapitalization [Member] \| Initial Stockholders Contingent Earn-out [Member]
Business Combination, Contingent Earnout Shares, Milestone One (in shares) \| shares		18,750
Business Combination, Contingent Earnout Shares, Milestone Two (in shares) \| shares		18,750
Maximum [Member] \| Subawards [Member]
Government Assistance, Award Amount										$ 30,900,000
Equipment [Member] \| Minimum [Member]
Property, Plant and Equipment, Useful Life (Year)			3 years		3 years
Equipment [Member] \| Maximum [Member]
Property, Plant and Equipment, Useful Life (Year)			5 years		5 years
Furniture and Fixtures [Member] \| Minimum [Member]
Property, Plant and Equipment, Useful Life (Year)			3 years		3 years
Furniture and Fixtures [Member] \| Maximum [Member]
Property, Plant and Equipment, Useful Life (Year)			7 years		7 years
Computer Equipment [Member] \| Minimum [Member]
Property, Plant and Equipment, Useful Life (Year)			2 years		2 years
Computer Equipment [Member] \| Maximum [Member]
Property, Plant and Equipment, Useful Life (Year)			5 years		5 years
Reverse Stock Split [Member]
Stockholders' Equity Note, Stock Split, Conversion Ratio	20
Preferred Stock, Par or Stated Value Per Share (in dollars per share) \| $ / shares	$ 0.0001
Adjustments to Additional Paid in Capital, Stock Split	$ 12,000