XML 51 R38.htm IDEA: XBRL DOCUMENT v3.23.1
Income Taxes - Reconciliation of Unrecognized Tax Benefits (Details) - USD ($)
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Income Tax Disclosure [Abstract]    
Balance at January 1 $ 448,000  
Additions for tax positions of prior years   $ 419,000
Additions based on tax positions related to the current year 77,000 29,000
Transfer to LGL Group, Inc. (448,000)  
Balance at December 31 $ 77,000 $ 448,000