Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Current assets:
Cash and cash equivalents	$ 41,514	$ 41,585
Marketable securities	36	17
Accounts receivable, net of allowance of $52 and $52, respectively	572	493
Inventories, net	297	267
Prepaid expenses and other current assets	255	280
Warrant proceeds receivable	3,650	0
Total current assets	46,324	42,642
Right-of-use lease asset	247	308
Intangible assets, net	15	36
Deferred income tax asset, net	190	159
Total assets	46,776	43,145
Liabilities, Current [Abstract]
Accounts payable	366	333
Accrued compensation and commissions expense	250	291
Income taxes payable	45	79
Other Accrued Liabilities, Current	254	201
Total current liabilities	915	904
Other liabilities	296	1,001
Total liabilities	1,211	1,905
Contingencies (Note 14)
Stockholders' equity:
Common stock ($0.01 par value; 30,000,000 shares authorized; 6,307,997 shares issued and 6,174,950 shares outstanding as of 2025; 5,454,639 shares issued and 5,373,055 shares outstanding as of 2024)	61	53
Treasury stock, at cost (133,047 and 81,584 shares as of 2025 and 2024, respectively)	(946)	(580)
Additional paid-in capital	50,313	46,385
Accumulated deficit	(5,940)	(6,628)
Total LGL Group stockholders' equity	43,488	39,230
Non-controlling interests	2,077	2,010
Total stockholders' equity	45,565	41,240
Total liabilities and stockholders' equity	$ 46,776	$ 43,145