v3.26.1
Note 6 - Equity Investment in Unconsolidated Affiliate (Details Textual)
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2026
USD ($)
ft²
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
ft²
Jun. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
Dec. 31, 2005
Income (Loss) from Equity Method Investments $ 209,000 $ 137,000 $ 364,000 $ 278,000    
INDIA | Harmony [Member]            
Number of Stores 4   4      
Number Of Stores Owned 3   3      
Number Of Stores Rented 1   1      
INDIA | Harmony [Member] | Manufacturing Building Products [Member]            
Area of Real Estate Property (Square Foot) | ft² 139,000   139,000      
INDIA | Harmony [Member] | Manufacturing Coated Material and Sewing Proprietary Disposable Protective Apparel [Member]            
Area of Real Estate Property (Square Foot) | ft² 121,000   121,000      
INDIA | Harmony [Member] | Sewing Proprietary Disposable Protective Apparel [Member]            
Area of Real Estate Property (Square Foot) | ft² 23,000   23,000      
INDIA | Harmony [Member] | Manufacturing Of Building Products [Member]            
Area of Real Estate Property (Square Foot) | ft² 159,000   159,000      
Harmony [Member]            
Equity Method Investment, Other than Temporary Impairment     $ 0   $ 0  
Expense To Acquire Inventory $ 374,000 5,159,000 3,468,000 9,914,000    
Proceeds from Sale of Productive Assets 203,000 415,000 437,000 415,000    
Income (Loss) from Equity Method Investments 209,000 $ 137,000 364,000 $ 278,000    
Equity Method Investments 5,620,000   5,620,000      
Equity Method Investment, Aggregate Cost 1,450,000   1,450,000      
Cumulative Equity In Income Of Unconsolidated Affiliate 7,428,000   7,428,000      
Proceeds from Equity Method Investment, Distribution, Return of Capital     942,000      
Proceeds from Equity Method Investment, Distribution     77,000      
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax $ (2,239,000)   $ (2,239,000)      
Harmony [Member] | Alpha Pro Tech Engineered Products [Member]            
Equity Method Investment, Ownership Percentage           41.70%
Harmony [Member] | Maple Industries and Associates [Member]            
Equity Method Investment, Ownership Percentage           58.30%