Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Cash flows from operating activities:
Net (loss) income attributable to LGL Group or non-controlling interests	$ 13	$ 43
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Amortization of finite-lived intangible assets	6	5
Stock-based compensation	9	9
Unrealized (gain) loss on marketable securities	(3)	3
Deferred income taxes	22	23
Changes in operating assets and liabilities:
Decrease in accounts receivable, net	187	87
Decrease (increase) in inventories, net	26	(9)
Increase in prepaid expenses and other assets	(48)	(42)
Increase in accounts payable, accrued compensation, income taxes and commissions and other	128	41
Total adjustments	327	117
Net cash provided by operating activities	340	160
Increase in cash and cash equivalents	340	160
Cash and cash equivalents at beginning of period	41,585	40,711
Cash and cash equivalents at end of period	41,925	40,871
Supplemental Disclosure:
Income taxes paid	$ 0	$ 76