Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2024	Mar. 31, 2023
Revenues:
Net sales		$ 392	$ 441
Net investment income		499	198
Net (losses) gains		(3)	345
Total revenues		888	984
Expenses:
Manufacturing cost of sales		204	192
Engineering, selling and administrative		605	542
Total expenses		809	734
Income from continuing operations before income taxes		79	250
Income tax expense		36	65
Net income from continuing operations		43	185
Income (loss) from discontinued operations, net of tax		0	(28)
Net income		43	157
Less: Net income attributable to non-controlling interests		22	0
Net income attributable to LGL Group common stockholders		$ 21	$ 157
Income (loss) per common share attributable to LGL Group common stockholders:
Income from continuing operations (in dollars per share)	[1]	$ 0	$ 0.03
Income (loss) from discontinued operations (in dollars per share)	[1]	0	(0.01)
Net income attributable to LGL Group common stockholders (in dollars per share)	[1]	0	0.03
Diluted (a):
Income from continuing operations (in dollars per share)	[1]	0	0.03
Income (loss) from discontinued operations (in dollars per share)	[1]	0	(0.01)
Net income attributable to LGL Group common stockholders (in dollars per share)	[1]	$ 0	$ 0.03
Weighted average shares outstanding:
Basic (in shares)		5,352,937	5,352,937
Diluted (in shares)		5,604,430	5,352,937

[1] Basic and diluted earnings per share are calculated using actual, unrounded amounts. Therefore, the components of earnings per share may not sum to its corresponding total.