v3.26.1
Note 3 - Investments - Summarized Financial Information (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Mar. 31, 2026
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Total revenue $ 4,455   $ 4,060   $ 8,271 $ 6,782  
Total expense 3,292   3,321   6,552 6,492  
Income tax benefit 397   0   652 (5)  
Net loss 956 $ 544 948 $ (276) 1,500 673  
Loss recorded in the Consolidated Statements of Operations         125 (27)  
Net loss attributable to noncontrolling interest in operating partnership 92   63   105 45  
Net loss attributable to common shareholders $ 864   885   $ 1,395 628  
HC Government Realty Trust, Inc [Member]              
Equity Method Investment, Ownership Percentage 28.00%       28.00%   28.00%
Investment in affiliate, balance $ 5,171       $ 5,171   $ 5,171
Loss recorded in the Consolidated Statements of Operations [1] $ 0   0   $ 0 (41)  
HC Government Realty Trust, Inc [Member] | Series B Cumulative Convertible Preferred Stock [Member]              
Equity Method Investment, Ownership Percentage [2] 27.90%       27.90%   27.90%
Investment in affiliate, balance [2] $ 5,166       $ 5,166   $ 5,166
Loss recorded in the Consolidated Statements of Operations [1],[2] $ 0   0   $ 0 (41)  
HC Government Realty Trust, Inc [Member] | Common Stock of Investee [Member]              
Equity Method Investment, Ownership Percentage 0.10%       0.10%   0.10%
Investment in affiliate, balance $ 5       $ 5   $ 5
Loss recorded in the Consolidated Statements of Operations [1] 0   0   0 0  
Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member] | ACMAT Corporation [Member]              
Total revenue   659          
Total expense   841          
Pre-tax loss   (182)          
Income tax benefit   2          
Net loss   $ (180)          
Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member] | HC Realty [Member]              
Total revenue 5,467   5,270   10,988 10,610  
Total expense 7,744   8,347   15,652 16,667  
Net loss (2,277)   (3,077)   (4,664) (6,057)  
Net loss attributable to noncontrolling interest in operating partnership (1,881)   (2,112)   (3,694) (4,110)  
Net loss attributable to common shareholders $ (396)   $ (965)   $ (970) $ (1,947)  
[1] Loss from these investments is included in “Income from investments in related parties, net” in the Unaudited Consolidated Statements of Operations. Since HC Realty is a REIT and not a taxable entity, the loss is not reported net of taxes.
[2] Represents investments in shares of HC Series B Stock with a basis of $10.25 million. Each share of HC Series B Stock has voting rights on an as converted basis and can be converted into shares of HC Common Stock at a conversion ratio equal to $10.00 per share divided by the lesser of $9.10 per share or the fair market value per share of HC Common Stock, subject to adjustment upon the occurrence of certain events.