Note 10 - Leases (Tables)

12 Months Ended

Dec. 31, 2025

Notes Tables

Assets and Liabilities, Lessee [Table Text Block]

		December 31,
	Balance Sheet Classification	2025		2024
		(in thousands)
Assets:
Operating lease assets	Right-of-use asset, net	$	195	$	293
Liabilities:
Current portion of operating lease liabilities	Current portion of operating lease liabilities		113		95
Operating lease liabilities, net of current portion	Operating lease liabilities, net of current portion		86		199
Total operating lease liabilities		$	199	$	294

Lease, Cost [Table Text Block]

	Year ended December 31,
	2025			2024
Remaining lease term (in years)		1.67			2.67
Discount rate		13.29	%		13.29	%

		For the Year Ended December 31,
		2025		2024
		(in thousands)
Operating lease expense	Research and development	$	44	$	67
	Sales and marketing		—		24
	General and administrative		88		53
	Total	$	132	$	144

Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block]

	As of
	December 31, 2025
	(in thousands)
2026	$	133
2027		90
Total lease payments		223
Less: imputed interest		(24	)
Present value of operating lease liabilities	$	199