XML 51 R38.htm IDEA: XBRL DOCUMENT v3.23.1
Discontinued Operations - Additional Information (Details) - Spin-Off [Member] - M-tron Industries, Inc. [Member] - USD ($)
 3 Months Ended 12 Months Ended
Oct. 07, 2022
Dec. 31, 2022
Dec. 31, 2022
Dec. 31, 2021
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]        
Percentage of shares distributed upon separation 100.00%      
Right to receive common stock share 0.5      
Write off of intercompany receivables $ 4,439,000      
Intercompany balances $ 0      
Gross separation costs     $ 638,000 $ 200,000
Excess separation costs   $ 219,000    
Net separation costs     $ 419,000