Note 9 - Convertible Notes (Tables)

6 Months Ended

Jun. 30, 2026

Notes Tables

Convertible Debt [Table Text Block]

												Principal Outstanding as of
												June 30,				December 31,
Description		Fixed Conversion Rate				Stated Interest Rate				Maturity Date		2026				2025
Convertible note dated September 18, 2018		$	0.25				8.0	%		March 18, 2026		$	-			$	425
Convertible notes dated March 2019		$	0.25				8.0	%		March 13, 2026			-				250
Convertible notes dated June/July 2019		$	0.10				8.0	%		January 15, 2026			-				50
Convertible notes dated July 18, 2019		$	0.08				7.5	%		July 18, 2027 ¹			500				500
Convertible notes dated January 8, 2020		$	0.13				8.0	%		January 8, 2027 ¹			400				400
Convertible notes dated June-August 2022		$	0.13				8.0	%		June 2, 2027 to August 3, 2027			808				908
Convertible note dated January 11, 2023		$	0.11				9.0	%		January 11, 2028 ¹			500				500
Convertible notes dated January 13, 2023		$	0.16				9.0	%		January 13, 2028			100				100
Total principal balance													2,308				3,133
Less current portion													1,050				1,225
												$	1,258			$	1,908