Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Income Statement [Abstract]
Revenue	$ 7,000	$ 6,776
Cost of sales	1,929	1,877
Gross profit	5,071	4,899
Operating expenses:
Research and development expenses	845	739
Selling, general and administrative expenses	4,804	4,168
Impairment of software	51
Total operating expenses	5,700	4,907
Operating loss	(629)	(8)
Finance expense, net	(2)	(5)
Loss before income taxes	(631)	(13)
Income tax expense
Net loss	(631)	(13)
Non-controlling interest share of income	(2)	(8)
Net loss attributable to Acorn Energy, Inc. stockholders.	$ (633)	$ (21)
Basic and diluted net loss per share attributable to Acorn Energy, Inc. stockholders:
Net loss per share attributable to Acorn Energy, Inc. stockholders – basic and diluted	$ (0.02)	$ (0.00)
Weighted average number of shares outstanding attributable to Acorn Energy, Inc. stockholders – basic	39,698	39,688
Weighted average number of shares outstanding attributable to Acorn Energy, Inc. stockholders – diluted	39,698	39,688