Note 4 - Property and Equipment, Net (Tables)

12 Months Ended

Dec. 31, 2023

Notes Tables

Property, Plant and Equipment [Table Text Block]

	December 31, 2023							December 31, 2022
	Gross Carrying Amount		Accumulated Depreciation			Net Carrying Amount		Gross Carrying Amount		Accumulated Depreciation			Net Carrying Amount
Factory equipment	$	—	$	—		$	—	$	66,276	$	(43,051	)	$	23,225
Furniture and office equipment		184,241		(85,093	)		99,148		318,795		(211,529	)		107,266
Leasehold improvements		46,276		(22,829	)		23,447		34,946		(15,148	)		19,798
	$	230,517	$	(107,922	)	$	122,595	$	420,017	$	(269,728	)	$	150,289