Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Cash flows from operating activities:
Net income attributable to LGL Group or non-controlling interests	$ 755	$ 522
Adjustments to reconcile net income to net cash provided by operating activities:
Amortization of finite-lived intangible assets	21	21
Stock-based compensation	61	36
Unrealized (gain) loss on marketable securities	(19)	5
Deferred income tax expense (benefit)	(31)	56
Changes in operating assets and liabilities:
Increase in accounts receivable, net	(79)	(137)
Increase in inventories, net	(30)	(63)
Decrease (increase) in prepaid expenses and other current assets	25	(7)
(Decrease) increase in accounts payable, accrued compensation, income taxes and commissions and other	(633)	441
Total adjustments	(685)	352
Net cash provided by operating activities	70	874
Cash flows from financing activities:
Proceeds from exercise of warrants, net of costs	225	0
Payment for repurchase of common stock	(366)	0
Net cash (used in) provided by financing activities	(141)	0
(Decrease) increase in cash and cash equivalents	(71)	874
Cash and cash equivalents at beginning of year	41,585	40,711
Cash and cash equivalents at end of year	41,514	41,585
Non-cash financing activity:
Proceeds from exercise of warrants receivable at period end	3,650	0
Supplemental disclosure:
Income taxes paid	$ 162	$ 76