Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Current assets:
Cash and cash equivalents	$ 46,646	$ 41,514
Marketable securities	50	36
Accounts receivable, net of reserves of $52 and $52, respectively	284	572
Inventories, net	278	297
Prepaid expenses and other current assets	258	255
Warrant proceeds receivable	0	3,650
Total current assets	47,516	46,324
Right-of-use lease assets	231	247
Intangible assets, net	9	15
Deferred income tax assets	367	190
Total assets	48,123	46,776
Current liabilities:
Accounts payable	690	366
Accrued compensation and commissions	264	250
Income taxes payable	0	45
Other accrued expenses and liabilities	257	254
Total current liabilities	1,211	915
Other liabilities	283	296
Total liabilities	1,494	1,211
Stockholders' equity:
Common stock ($0.01 par value; 30,000,000 shares authorized; 6,673,482 shares issued and 6,540,435 shares outstanding as of March 31, 2026; 6,307,997 shares issued and 6,174,950 shares outstanding as of December 31, 2025)	64	61
Treasury stock, at cost (133,047 shares as of March 31, 2026 and December 31, 2025)	(946)	(946)
Additional paid-in capital	51,979	50,313
Accumulated deficit	(6,562)	(5,940)
Total LGL Group stockholders' equity	44,535	43,488
Non-controlling interests	2,094	2,077
Total stockholders' equity	46,629	45,565
Total liabilities and stockholders' equity	$ 48,123	$ 46,776

The amount of warrant proceeds receivable.

No definition available.

Name:	lgl_WarrantProceedsReceivable
Namespace Prefix:	lgl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).