Note 6 - Alvogen Licensing Agreement (Details Textual) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended	3 Months Ended
	Feb. 29, 2024	Sep. 30, 2024	Feb. 07, 2024	Dec. 31, 2023	Jun. 02, 2023
Customer Refund Liability, Current		$ 4,715		$ 0
Alvogen and Lotus Warrants [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)			419,598
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)			$ 4
Warrants and Rights Outstanding, Term (Year)			3 years
Alvogen Licensing Agreement [Member]
License Agreement, Initial Payment	$ 4,000				$ 9,000
License Agreement, Accelerating Payment	$ 5,000
Customer Refund Liability, Current		4,700
Stock Subscriptions Receivable, Write Off		$ 1,300
Alvogen Licensing Agreement [Member] | Alvogen and Lotus Warrants [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)	419,598
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)	$ 4
Warrants and Rights Outstanding, Term (Year)	3 years
Warrants and Rights Outstanding	$ 1,300