Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Cash flows from operating activities:
Net (loss) income attributable to LGL Group or non-controlling interests	$ (32)	$ 204
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Amortization of finite-lived intangible assets	11	11
Stock-based compensation	26	18
Unrealized loss (gain) on marketable securities	(9)	4
Deferred income taxes	(33)	17
Changes in operating assets and liabilities:
Decrease in accounts receivable, net	230	17
Decrease (increase) in inventories, net	13	(132)
Decrease in prepaid expenses and other assets	43	37
(Increase) decrease in accounts payable, accrued compensation, income taxes and commissions and other	(99)	187
Total adjustments	182	159
Net cash provided by operating activities	150	363
Increase in cash and cash equivalents	150	363
Cash and cash equivalents at beginning of period	41,585	40,711
Cash and cash equivalents at end of period	41,735	41,074
Non-cash financing activity:
Warrant-related costs	(102)	0
Supplemental disclosure:
Income taxes paid	$ 47	$ 76