Note 4 - China Joint Venture - Rollforward of Joint Venture (Details) - Corporate Joint Venture [Member] - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Beginning interest in China JV	$ 229,000	$ 219,000
Contributions	0	153,000
Net loss attributable to Apyx	(99,000)	(143,000)
Ending interest in China JV	$ 130,000	$ 229,000