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

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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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Face amount or stated value per share of common stock.

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

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The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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Number of shares authorized for issuance under share-based payment arrangement.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Number of options outstanding, including both vested and non-vested options.

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Number of new stock issued during the period.

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Note 6 - Stockholders' Equity (Details Textual) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023	Sep. 02, 2022	Jun. 30, 2022
Preferred Stock, Shares Authorized (in shares)	10,000,000
Preferred Stock, Par or Stated Value Per Share (in dollars per share)	$ 0.001
Common Stock, Shares Authorized (in shares)	175,000,000		175,000,000
Common Stock, Par or Stated Value Per Share (in dollars per share)	$ 0.001		$ 0.001
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number (in shares)	4,694,529		4,697,029
Share-Based Payment Arrangement, Expense	$ 9.3	$ 6.8
Warrants to Purchase Common Stock, Loan agreement [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)	147,058
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)	$ 4.08
Warrants to Purchase Common Stock, Amended Loan Agreement [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)	115,042
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)	$ 17.95
Warrants to Purchase Common Stock, First Amendment Loan Agreement [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)	50,172
Warrants to Purchase Common Stock, First Amendment [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)	$ 14.7
Stock-based Compensation Expense Capitalized Into Inventory [Member]
Share-Based Payment Arrangement, Expense	$ 1.0	$ 0.3
The 2022 Incentive Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares)					17,000,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number (in shares)	7,181,941
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number (in shares)	2,272,500
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant (in shares)	5,582,801
The 2022 Incentive Plan [Member] \| Full Value Awards [Member] \| Maximum [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares)					10,000,000
The 2012 Incentive Plan [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number (in shares)	4,216,538
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number (in shares)	2,422,029
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant (in shares)	0
The 2022 ATM [Member]
Common Stock, Commission Rate				3.00%
Stock Issued During Period, Shares, New Issues (in shares)	0	0