Note 12 - Leases (Details Textual) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Aug. 31, 2025	Dec. 31, 2024
Operating Lease, Expense	$ 72,000	$ 92,000	$ 264,000	$ 268,000
Operating Lease, Right-of-Use Asset	1,070,000		1,070,000			$ 992,000
Operating Lease, Liability	$ 1,111,000		$ 1,111,000			$ 1,027,000
Lessee, Operating Lease, Discount Rate	18.00%		18.00%
Operating Lease, Weighted Average Remaining Lease Term (Year)	6 years		6 years
Lessee, Operating Lease, Liability, to be Paid	$ 1,788,000		$ 1,788,000
Clyra Office Lease [Member]
Lessee, Operating Lease, Term of Contract (Year)					5 years
Operating Lease, Right-of-Use Asset	$ 184,000		$ 184,000