CHINA JOINT VENTURE - Rollforward of Joint Venture (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Beginning interest in China JV			$ 305
Contributions				$ 195
Net loss attributable to Apyx	$ (31)	$ (12)	(78)	(21)
Ending interest in China JV	227		227
Corporate Joint Venture
Stockholders' Equity Attributable to Noncontrolling Interest [Roll Forward]
Beginning interest in China JV	269	338	317	144
Contributions	0	0	0	203
Net loss attributable to Apyx	(33)	(13)	(81)	(22)
Ending interest in China JV	$ 236	$ 325	$ 236	$ 325