Note 17 - Quarterly Financial Data (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2024

Notes Tables

Quarterly Financial Information [Table Text Block]

	Three months ended
(in thousands, except share data)	March 31, 2024			June 30, 2024			September 30, 2024			December 31, 2024
Revenues:
Net sales	$	392		$	531		$	650		$	653
Net investment income		499			538			531			503
Net (losses) gains		(3	)		(1	)		(2	)		1
Total revenues		888			1,068			1,179			1,157
Expenses:
Manufacturing cost of sales		204			214			368			261
Engineering, selling and administrative		605			617			673			651
Total expenses		809			831			1,041			912
Income from continuing operations before income taxes		79			237			138			245
Income tax expense		36			76			48			17
Net income from continuing operations		43			161			90			228
Loss from discontinued operations, net of tax		—			—			—			—
Net income		43			161			90			228
Less: Net income attributable to non-controlling interests		22			24			18			26
Net income attributable to LGL Group common stockholders	$	21		$	137		$	72		$	202
Income per common share attributable to LGL Group common stockholders:
Basic (b):
Income from continuing operations	$	0.00		$	0.03		$	0.01		$	0.04
Loss from discontinued operations		—			—			—			—
Net income attributable to LGL Group common stockholders	$	0.00		$	0.03		$	0.01		$	0.04
Diluted (b):
Income from continuing operations	$	0.00		$	0.02		$	0.01		$	0.04
Loss from discontinued operations		—			—			—			—
Net income attributable to LGL Group common stockholders	$	0.00		$	0.02		$	0.01		$	0.04
Weighted average shares outstanding:
Basic		5,352,937			5,352,937			5,352,937			5,352,937
Diluted		5,604,430			5,482,543			5,531,969			5,577,062

	Three months ended
(in thousands, except share data)	March 31, 2023			June 30, 2023			September 30, 2023			December 31, 2023
Revenues:
Net sales	$	441		$	403		$	438		$	446
Net investment (loss) income		198			275			544			549
Net gains (losses) (a)		345			43			(4	)		—
Total revenues		984			721			978			995
Expenses:
Manufacturing cost of sales		192			208			195			201
Engineering, selling and administrative		542			645			584			465
Total expenses		734			853			779			666
Income (loss) from continuing operations before income taxes		250			(132	)		199			329
Income tax expense (benefit)		65			(2	)		69			169
Income (loss) from continuing operations		185			(130	)		130			160
Loss from discontinued operations, net of tax		(28	)		—			—			—
Net income (loss)		157			(130	)		130			160
Less: Net income attributable to non-controlling interests		—			—			22			26
Net income (loss) attributable to LGL Group common stockholders	$	157		$	(130	)	$	108		$	134
Income (loss) per common share attributable to LGL Group common shareholders:
Basic (b):
Income (loss) from continuing operations	$	0.03		$	(0.02	)	$	0.02		$	0.03
Loss from discontinued operations		(0.01	)		—			—			—
Net income (loss) attributable to LGL Group common stockholders	$	0.03		$	(0.02	)	$	0.02		$	0.03
Diluted (b):
Income (loss) from continuing operations	$	0.03		$	(0.02	)	$	0.02		$	0.02
Loss from discontinued operations		(0.01	)		—			—			—
Net income (loss) attributable to LGL Group common stockholders	$	0.03		$	(0.02	)	$	0.02		$	0.02
Weighted average shares outstanding:
Basic		5,352,937			5,352,937			5,352,937			5,352,937
Diluted		5,352,937			5,352,937			5,355,006			5,381,685