Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 41,585	$ 40,711
Marketable securities	17	22
Accounts receivable, net of allowance of $52 and $58, respectively	493	356
Inventories, net	267	204
Prepaid expenses and other current assets	280	273
Total current assets	42,642	41,566
Right-of-use lease asset	308	75
Intangible assets, net	36	57
Deferred income tax asset, net	159	152
Total assets	43,145	41,850
Liabilities, Current [Abstract]
Accounts payable	333	93
Accrued compensation and commissions expense	291	264
Income taxes payable	79	41
Other Accrued Liabilities, Current	201	76
Total current liabilities	904	474
Other Liabilities, Noncurrent	1,001	694
Total liabilities	1,905	1,168
Contingencies (Note 14)
Stockholders' equity:
Common stock ($0.01 par value; 30,000,000 shares authorized; 5,454,639 shares issued as of 2024 and 2023, respectively; 5,373,055 shares outstanding as of 2024 and 2023, respectively)	53	53
Treasury stock, at cost (81,584 shares as of 2024 and 2023, respectively)	(580)	(580)
Additional paid-in capital	46,385	46,349
Accumulated deficit	(6,628)	(7,060)
Total LGL Group stockholders' equity	39,230	38,762
Non-controlling interests	2,010	1,920
Total stockholders' equity	41,240	40,682
Total liabilities and stockholders' equity	$ 43,145	$ 41,850