v3.26.1
SUPPLEMENTARY BALANCE SHEET INFORMATION - Narrative (Details)
 3 Months Ended 6 Months Ended
May 18, 2026
Aug. 09, 2024
USD ($)
shares
Jun. 30, 2026
USD ($)
shares
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
Dec. 31, 2025
USD ($)
May 31, 2023
USD ($)
Disposal Group, Including Discontinued Operations [Line Items]              
Inventories, net     $ 6,954,000   $ 6,954,000 $ 6,988,000  
Depreciation expense     764,000 $ 6,000      
Gross property and equipment     24,230,000   24,230,000 24,977,000  
Less current portion     236,000   236,000 256,000  
Note receivable, net of current portion     8,948,000   8,948,000 8,629,000  
Issuance of preferred stock     790,000        
Total note receivable     $ 9,184,000   $ 9,184,000 8,885,000  
Preferred Stock              
Disposal Group, Including Discontinued Operations [Line Items]              
Stock issued during period (in shares) | shares     83,000        
Series A Preferred Stock              
Disposal Group, Including Discontinued Operations [Line Items]              
Stock issued during period (in shares) | shares   250,000 82,764        
Preferred stock, dividend percentage 10.00% 10.00%     10.00%    
Issuance of preferred stock   $ 2,600,000 $ 816,000        
Catalyst              
Disposal Group, Including Discontinued Operations [Line Items]              
Investment at fair value     $ 953,000   $ 953,000 953,000  
Enservco | Common Stock              
Disposal Group, Including Discontinued Operations [Line Items]              
Equity method investment, ownership percentage   19.90%          
Enservco | Convertible Preferred Stock              
Disposal Group, Including Discontinued Operations [Line Items]              
Equity method investments       $ 0      
KBS Builders, Inc. (KBS)              
Disposal Group, Including Discontinued Operations [Line Items]              
Standard warranty period         12 months    
Interest rate for notes receivable (as a percent)     0.12   0.12    
Total note receivable     $ 12,000   $ 12,000 32,000  
EdgeBuilder, Inc. (EdgeBuilder)              
Disposal Group, Including Discontinued Operations [Line Items]              
Standard warranty period         25 years    
Timber Technologies Solutions, Inc. (TT)              
Disposal Group, Including Discontinued Operations [Line Items]              
Standard warranty period         50 years    
Catalyst              
Disposal Group, Including Discontinued Operations [Line Items]              
Notes issued in sale transaction             $ 7,000,000
Total note receivable     $ 8,725,000   $ 8,725,000 8,257,000  
Catalyst | Digirad Health Inc              
Disposal Group, Including Discontinued Operations [Line Items]              
Interest rate for notes receivable (as a percent)             0.050
Basis spread on variable rate (as a percent)             5.00%
Catalyst | Digirad Health Inc | Effective Period Two              
Disposal Group, Including Discontinued Operations [Line Items]              
Interest rate for notes receivable (as a percent)             0.070
Basis spread on variable rate (as a percent)             5.00%
MD Office Solutions              
Disposal Group, Including Discontinued Operations [Line Items]              
Interest rate for notes receivable (as a percent)     0.050   0.050    
Original principal amount of notes     $ 447,000   $ 447,000    
Less current portion     223,000   223,000    
Note receivable, net of current portion     224,000   224,000    
Quarterly installment principal receivable         74,000    
Total note receivable     447,000   447,000 596,000  
Enservco              
Disposal Group, Including Discontinued Operations [Line Items]              
Total note receivable   $ 1,000          
Enservco | Common Stock              
Disposal Group, Including Discontinued Operations [Line Items]              
Investment (in shares) | shares   9,023,035          
Enservco | Preferred Stock              
Disposal Group, Including Discontinued Operations [Line Items]              
Investment (in shares) | shares   3,500,000          
Land and Building              
Disposal Group, Including Discontinued Operations [Line Items]              
Gross property and equipment     1,701,000   1,701,000    
Machinery and equipment              
Disposal Group, Including Discontinued Operations [Line Items]              
Gross property and equipment     14,101,000   14,101,000 $ 12,750,000  
Alliance Drilling Tools, LLC (ADT)              
Disposal Group, Including Discontinued Operations [Line Items]              
Inventories, net     $ 1,097,000   $ 1,097,000