Note 3 - Segment Information (Tables)

6 Months Ended

Jun. 30, 2024

Notes Tables

Schedule of Segment Reporting Information, by Segment [Table Text Block]

	Three Months Ended June 30, 2024
	Electronic Instruments		Merchant Investment		Corporate			Consolidated
Revenues:
Net sales	$	531	$	—	$	—		$	531
Net investment income		—		315		223			538
Net (losses) gains		—		—		(1	)		(1	)
Total revenues		531		315		222			1,068
Expenses:
Manufacturing cost of sales		214		—		—			214
Engineering, selling and administrative		243		78		296			617
Total expenses		457		78		296			831
Income (loss) from continuing operations before income taxes		74		237		(74	)		237
Income tax expense		—		—		76			76
Net income (loss) from continuing operations		74		237		(150	)		161
Income (loss) from discontinued operations, net of tax		—		—		—			—
Net income (loss)		74		237		(150	)		161
Less: Net income attributable to non-controlling interests		—		24		—			24
Net income (loss) attributable to LGL Group common stockholders	$	74	$	213	$	(150	)	$	137

	Three Months Ended June 30, 2023
	Electronic Instruments		Merchant Investment		Corporate			Consolidated
Revenues:
Net sales	$	403	$	—	$	—		$	403
Net investment income		—		—		275			275
Net (losses) gains		—		—		43			43
Total revenues		403		—		318			721
Expenses:
Manufacturing cost of sales		208		—		—			208
Engineering, selling and administrative		173		—		472			645
Total expenses		381		—		472			853
Income (loss) from continuing operations before income taxes		22		—		(154	)		(132	)
Income tax expense (benefit)		—		—		(2	)		(2	)
Net income (loss) from continuing operations		22		—		(152	)		(130	)
Income (loss) from discontinued operations, net of tax		—		—		—			—
Net income (loss)		22		—		(152	)		(130	)
Less: Net income attributable to non-controlling interests		—		—		—			—
Net income (loss) attributable to LGL Group common stockholders	$	22	$	—	$	(152	)	$	(130	)

	Six Months Ended June 30, 2024
	Electronic Instruments		Merchant Investment		Corporate			Consolidated
Revenues:
Net sales	$	923	$	—	$	—		$	923
Net investment income		—		604		433			1,037
Net (losses) gains		—		—		(4	)		(4	)
Total revenues		923		604		429			1,956
Expenses:
Manufacturing cost of sales		418		—		—			418
Engineering, selling and administrative		429		127		666			1,222
Total expenses		847		127		666			1,640
Income (loss) from continuing operations before income taxes		76		477		(237	)		316
Income tax expense		—		—		112			112
Net income (loss) from continuing operations		76		477		(349	)		204
Income (loss) from discontinued operations, net of tax		—		—		—			—
Net income (loss)		76		477		(349	)		204
Less: Net income attributable to non-controlling interests		—		46		—			46
Net income (loss) attributable to LGL Group common stockholders	$	76	$	431	$	(349	)	$	158

	Six Months Ended June 30, 2023
	Electronic Instruments		Merchant Investment		Corporate			Consolidated
Revenues:
Net sales	$	844	$	—	$	—		$	844
Net investment income		—		—		473			473
Net (losses) gains		—		—		388			388
Total revenues		844		—		861			1,705
Expenses:
Manufacturing cost of sales		400		—		—			400
Engineering, selling and administrative		350		—		837			1,187
Total expenses		750		—		837			1,587
Income (loss) from continuing operations before income taxes		94		—		24			118
Income tax expense		—		—		63			63
Net income (loss) from continuing operations		94		—		(39	)		55
Income (loss) from discontinued operations, net of tax		—		—		(28	)		(28	)
Net income (loss)		94		—		(67	)		27
Less: Net income attributable to non-controlling interests		—		—		—			—
Net income (loss) attributable to LGL Group common stockholders	$	94	$	—	$	(67	)	$	27

Reconciliation of Assets from Segment to Consolidated [Table Text Block]

	June 30, 2024		December 31, 2023
Electronic Instruments	$	835	$	843
Merchant Investment		24,134		23,530
Corporate		17,278		17,477
Total	$	42,247	$	41,850