Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Revenues:
Net sales		$ 491	$ 531	$ 989	$ 923
Net investment income	[1]	428	538	845	1,037
Net gains (losses)		5	(1)	8	(4)
Total revenues		924	1,068	1,842	1,956
Expenses:
Manufacturing cost of sales		211	214	448	418
Engineering, selling and administrative		744	617	1,384	1,222
Total expenses		955	831	1,832	1,640
(Loss) income from operations before income taxes		(31)	237	10	316
Income tax expense		(14)	(76)	(42)	(112)
Net (loss) income		(45)	161	(32)	204
Less: Net income attributable to non-controlling interests		6	24	25	46
Net (loss) income attributable to LGL Group common stockholders		$ (51)	$ 137	$ (57)	$ 158
(Loss) income per common share attributable to LGL Group common stockholders:
Basic (in dollars per share)		$ (0.01)	$ 0.03	$ (0.01)	$ 0.03
Diluted (in dollars per share)		$ (0.01)	$ 0.02	$ (0.01)	$ 0.03
Weighted average shares outstanding:
Basic (in shares)		5,352,937	5,352,937	5,352,937	5,352,937
Diluted (in shares)		5,352,937	5,482,543	5,352,937	5,548,869

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