Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Revenues:
Net sales		$ 661	$ 650	$ 1,650	$ 1,573
Net investment income	[1]	442	531	1,287	1,568
Net gains (losses)		5	(2)	13	(6)
Total revenues		1,108	1,179	2,950	3,135
Expenses:
Manufacturing cost of sales		312	368	760	786
Engineering, selling and administrative		676	673	2,060	1,895
Total expenses		988	1,041	2,820	2,681
Income from operations before income taxes		120	138	130	454
Income tax (benefit) expense		(674)	48	(632)	160
Net income		794	90	762	294
Less: Net income attributable to non-controlling interests		22	18	47	64
Net income attributable to LGL Group common stockholders		$ 772	$ 72	$ 715	$ 230
Income per common share attributable to LGL Group common stockholders:
Basic (in dollars per share)		$ 0.15	$ 0.01	$ 0.13	$ 0.04
Diluted (in dollars per share)		$ 0.14	$ 0.01	$ 0.13	$ 0.04
Weighted average shares outstanding:
Basic (in shares)		5,312,797	5,352,937	5,356,726	5,352,937
Diluted (in shares)		5,649,743	5,531,969	5,679,322	5,543,795

[1] Interest revenue is included in Net investment income on the Consolidated Statements of Operations.