Note 5 - Sale of Neos Brand and Related Assets (Details Textual) - USD ($) $ in Thousands		12 Months Ended
	Sep. 30, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Proceeds from Divestiture of Businesses		$ 17,300	$ 0	$ 0
NEOS Brand [Member] | SureWerx [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member]
Disposal Group, Including Discontinued Operation, Consideration			5,800
Proceeds from Divestiture of Businesses	$ 5,500
Disposal Group, Including Discontinued Operation, Consideration, Remaining Balance Deposited With Escrow Agent			300
NEOS Brand [Member] | SureWerx [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Sales [Member]
Disposal Group, Including Discontinued Operation, Revenue From Sale of Inventory			3,600
NEOS Brand [Member] | SureWerx [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Cost of Sales [Member]
Disposal Group, Including Discontinued Operation, Cost of Inventory			2,400
NEOS Brand [Member] | SureWerx [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] | Operating Expense [Member]
Reduction in Operating Expense From Sale of Assets in Disposal Group, Including Discontinued Operation			$ 700