v3.26.1
Note 4 - Business Combination (Details Textual)
1 Months Ended 3 Months Ended 4 Months Ended 6 Months Ended 12 Months Ended
Dec. 01, 2025
USD ($)
Dec. 01, 2025
CAD ($)
Aug. 22, 2025
USD ($)
Dec. 31, 2025
USD ($)
Jun. 30, 2026
USD ($)
shares
Sep. 30, 2025
USD ($)
Jun. 30, 2025
USD ($)
shares
Mar. 31, 2026
USD ($)
Dec. 31, 2025
USD ($)
Jun. 30, 2026
USD ($)
shares
Jun. 30, 2025
USD ($)
shares
Dec. 31, 2025
USD ($)
Dec. 01, 2025
CAD ($)
Payments to Acquire Businesses, Net of Cash Acquired                   $ 38,000 $ (0)    
Long-Term Debt       $ 13,051,000 $ 12,847,000       $ 13,051,000 12,847,000   $ 13,051,000  
Business Combination, Contingent Consideration, Change in Contingent Consideration, Liability, Increase (Decrease)         58,000   $ 0     58,000 $ 0    
Goodwill       18,460,000 $ 18,475,000       18,460,000 18,475,000   18,460,000  
Goodwill, Measurement Period Adjustment                   38,000      
Goodwill, Foreign Currency Translation, Gain (Loss)                   $ (23,000)      
Weighted Average Number of Shares Outstanding, Basic (in shares) | shares         12,643,383   5,235,240     10,998,115 3,405,568    
Carolina Stone Holdings [Member]                          
Business Combination, Consideration Transferred     $ 4,202,000                    
Payments to Acquire Businesses, Gross     2,625,000                    
Payments to Acquire Businesses, Working Capital Adjustment     124,000                    
Payments to Acquire Businesses, Net of Cash Acquired     2,501,000                    
Business Combination, Working Capital Adjustment     77,000                    
Goodwill     758,000                    
Business Combination, Assembled Workforce     170,000                    
Business Combination, Acquiree's Revenue since Acquisition Date, Actual                 3,300,000        
Business Combination, Acquiree's Earnings (Loss) since Acquisition Date, Actual                 169,000        
Business Combination, Acquisition-Related Cost, Expense           $ 131,000              
Carolina Stone Holdings [Member] | Trade Names [Member]                          
Intangible Asset, Finite-Lived, Acquired     $ 670,000                    
Intangible Asset, Finite-Lived, Useful Life (Year)     20 years                    
Carolina Stone Holdings [Member] | Customer Relationships [Member]                          
Intangible Asset, Finite-Lived, Acquired     $ 740,000                    
Intangible Asset, Finite-Lived, Useful Life (Year)     12 years                    
Carolina Stone Holdings [Member] | Noncompete Agreements [Member]                          
Intangible Asset, Finite-Lived, Acquired     $ 60,000                    
Intangible Asset, Finite-Lived, Useful Life (Year)     5 years                    
Carolina Stone Holdings [Member] | Measurement Input, Price Volatility [Member]                          
Business Combination, Contingent Consideration, Liability, Measurement Input         0.35         0.35      
Carolina Stone Holdings [Member] | Minimum [Member] | Measurement Input, Risk Free Interest Rate [Member]                          
Business Combination, Contingent Consideration, Liability, Measurement Input         0.0375         0.0375      
Carolina Stone Holdings [Member] | Maximum [Member] | Measurement Input, Risk Free Interest Rate [Member]                          
Business Combination, Contingent Consideration, Liability, Measurement Input         0.0437         0.0437      
Carolina Stone Holdings [Member] | Contingent Consideration, Earnout Agreement Payable [Member]                          
Business Combination, Consideration Transferred, Liabilities Incurred     $ 250,000                    
Business Combination, Contingent Consideration, Range of Outcomes, Maximum, Amount     825,000                    
Business Combination, Contingent Consideration, Liability     $ 250,000 250,000 $ 308,000       250,000 $ 308,000   250,000  
Business Combination, Contingent Consideration, Change in Contingent Consideration, Liability, Increase (Decrease)                   58,000      
Carolina Stone Holdings [Member] | Contingent Consideration, Earnout Agreement Payable [Member] | Measurement Input, Price Volatility [Member]                          
Business Combination, Contingent Consideration, Liability, Measurement Input     0.35                    
Carolina Stone Holdings [Member] | Contingent Consideration, Earnout Agreement Payable [Member] | Measurement Input, Risk Free Interest Rate [Member]                          
Business Combination, Contingent Consideration, Liability, Measurement Input     0.0369                    
Carolina Stone Holdings [Member] | Earnout, First or Second Measurement Periods [Member]                          
Business Combination, Contingent Consideration, Range of Outcomes, Maximum, Amount     $ 825,000                    
Business Combination, Contingent Consideration, Minimum EBITDA     1,000                    
Carolina Stone Holdings [Member] | Earnout, Third Measurement Period [Member]                          
Business Combination, Contingent Consideration, Range of Outcomes, Maximum, Amount     825,000                    
Business Combination, Contingent Consideration, Minimum EBITDA     1,000,000                    
Carolina Stone Holdings [Member] | Earnout, Pro-rata Measurement [Member] | Minimum [Member]                          
Business Combination, Contingent Consideration, Range of Outcomes, Minimum, Amount     800,000                    
Carolina Stone Holdings [Member] | Earnout, Pro-rata Measurement [Member] | Maximum [Member]                          
Business Combination, Contingent Consideration, Range of Outcomes, Maximum, Amount     1,000,000 1,000,000         1,000,000     1,000,000  
Carolina Stone Holdings [Member] | Earnout, Not Achieved [Member]                          
Business Combination, Contingent Consideration, Range of Outcomes, Maximum, Amount     0                    
Business Combination, Contingent Consideration, Minimum EBITDA     800,000                    
Carolina Stone Holdings [Member] | Subordinated Debt [Member]                          
Business Combination, Consideration Transferred, Liabilities Incurred     1,250,000                    
Debt Instrument, Face Amount     $ 1,250,000                    
Debt Instrument, Basis Spread on Variable Rate     1.25%                    
Debt Instrument, Periodic Payment     $ 100,000                    
Debt Instrument, Increase (Decrease), Net     56,000                    
Long-Term Debt       1,306,000         1,306,000     1,306,000  
Carolina Stone Holdings [Member] | Approximate [Member]                          
Payments to Acquire Businesses, Gross     2,625,000                    
Fraser Canyon Acquisition [Member]                          
Business Combination, Consideration Transferred   $ 6,200,000           $ 6,299,000          
Payments to Acquire Businesses, Gross $ 459,000             3,644,000          
Goodwill $ 639,000     616,000 $ 631,000       $ 616,000 631,000   616,000  
Business Combination, Acquiree's Revenue since Acquisition Date, Actual       592,000                  
Business Combination, Acquiree's Earnings (Loss) since Acquisition Date, Actual       92,000                  
Business Combination, Acquisition-Related Cost, Expense                   89,000      
Foreign Currency Exchange Rate, Translation 1.3943                       1.3943
Goodwill, Measurement Period Adjustment                   38,000      
Goodwill, Acquisition Date $ 601,000                        
Goodwill, Foreign Currency Translation, Gain (Loss)       15,000           (23,000)      
Goodwill, Period Increase (Decrease)                   15,000      
Fraser Canyon Acquisition [Member] | Trade Names [Member]                          
Intangible Asset, Finite-Lived, Acquired     190,000                    
Intangible Asset, Finite-Lived, Useful Life (Year) 20 years                       20 years
Fraser Canyon Acquisition [Member] | Customer Relationships [Member]                          
Intangible Asset, Finite-Lived, Acquired     $ 170,000                    
Intangible Asset, Finite-Lived, Useful Life (Year) 17 years                       17 years
Fraser Canyon Acquisition [Member] | TotalStone [Member]                          
Payments to Acquire Businesses, Gross $ 459,000 647,000                      
Business Combination, Working Capital Adjustment 339,000 473,189                      
Fraser Canyon Acquisition [Member] | TotalStone [Member] | Seller Note I [Member]                          
Debt Instrument, Face Amount 1,148,000                       $ 1,600,000
Fraser Canyon Acquisition [Member] | TotalStone [Member] | Seller Note II [Member]                          
Debt Instrument, Face Amount 1,434,000                       $ 2,000,000
Fraser Canyon Acquisition [Member] | Instone Canada Corp [Member]                          
Payments to Acquire Businesses, Gross 6,299,000     $ 6,299,000                  
Fraser Canyon Acquisition [Member] | Earn Out Provision [Member]                          
Business Combination, Consideration Transferred, Liabilities Incurred               $ 99,000   99,000   102,000  
Fraser Canyon Acquisition [Member] | Earn Out Provision [Member] | TotalStone [Member]                          
Business Combination, Consideration Transferred, Liabilities Incurred 2,152,000 3,000,000                      
Business Combination, Contingent Consideration, Liability 99,000                        
Fraser Canyon Acquisition [Member] | Earn-Out Provision I [Member] | TotalStone [Member]                          
Business Combination, Contingent Consideration, Liability 79,000                        
Fraser Canyon Acquisition [Member] | Earn-Out Provision II [Member] | TotalStone [Member]                          
Business Combination, Contingent Consideration, Liability 20,000                        
Fraser Canyon Acquisition [Member] | Approximate [Member]                          
Payments to Acquire Businesses, Gross $ 4,447,000 $ 6,200,000                      
The 2025 Acquisitions [Member]                          
Business Combination, Acquisition-Related Cost, Expense                   99,000      
Interest Expense, Operating and Nonoperating                   83,000      
The 2025 Acquisitions [Member] | Earn Out Provision [Member]                          
Business Combination, Consideration Transferred, Liabilities Incurred                   $ 407,000   $ 352,000