v3.25.1
Concentration of credit risk (Details) - USD ($)
3 Months Ended 9 Months Ended
Mar. 31, 2025
Sep. 30, 2024
Mar. 31, 2024
Mar. 31, 2025
Mar. 31, 2024
Concentration Risk [Line Items]          
Schedules of Concentration of Risk, by Risk Factor [Table Text Block]       Domestic and international sales from operations are as follows:
(in thousands)For the Three Months Ended March 31, For the Nine Months Ended March 31,
2025202420252024
Domestic$1,789 51 %$1,339 50 %$5,218 55 %$4,394 52 %
Foreign1,685 49 %1,357 50 %4,258 45 %4,116 48 %
Total$3,474 100 %$2,696 100 %$9,476 100 %$8,510 100 %
 
Customer Concentration Risk [Member] | Customer One [Member]          
Concentration Risk [Line Items]          
Concentration Risk, Customer One   One   One
Geographic Concentration Risk [Member]          
Concentration Risk [Line Items]          
Revenues, net         $ 8,510,000
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Customer One [Member]          
Concentration Risk [Line Items]          
Concentration Risk, Percentage 14.00%   13.00% 16.00% 11.00%
Revenue Benchmark [Member] | Geographic Concentration Risk [Member]          
Concentration Risk [Line Items]          
Concentration Risk, Percentage 100.00%   100.00% 100.00% 100.00%
Revenues, net $ 3,474,000   $ 2,696,000 $ 9,476,000 $ 8,510,000
Accounts Payable Benchmark [Member] | Supplier Concentration Risk [Member]          
Concentration Risk [Line Items]          
Concentration Risk, Supplier   two   one  
Accounts Receivable Benchmark [Member]          
Concentration Risk [Line Items]          
Concentration Risk, Customer       one  
Accounts Receivable          
Concentration Risk [Line Items]          
Concentration Risk, Customer   two      
Concentration Risk, Supplier two   two one one
Accounts Receivable | Customer Concentration Risk [Member] | Customer One [Member]          
Concentration Risk [Line Items]          
Concentration Risk, Percentage   37.00%   21.00%  
Accounts Receivable | Customer Concentration Risk [Member] | Customer two          
Concentration Risk [Line Items]          
Concentration Risk, Percentage   14.00%      
Domestic [Member] | Revenue Benchmark [Member] | Geographic Concentration Risk [Member]          
Concentration Risk [Line Items]          
Concentration Risk, Percentage 51.00%   50.00% 55.00% 52.00%
Revenues, net $ 1,789,000   $ 1,339,000 $ 5,218,000 $ 4,394,000
International [Member] | Revenue Benchmark [Member] | Geographic Concentration Risk [Member]          
Concentration Risk [Line Items]          
Concentration Risk, Percentage 49.00%   50.00% 45.00% 48.00%
Revenues, net $ 1,685,000   $ 1,357,000 $ 4,258,000 $ 4,116,000
Supplier one [Member] | Revenue Benchmark [Member] | Supplier Concentration Risk [Member]          
Concentration Risk [Line Items]          
Concentration Risk, Percentage 42.00%   36.00% 42.00% 40.00%
Supplier one [Member] | Accounts Payable Benchmark [Member] | Supplier Concentration Risk [Member]          
Concentration Risk [Line Items]          
Concentration Risk, Percentage   25.00%   39.00%  
Supplier two [Member] | Revenue Benchmark [Member] | Supplier Concentration Risk [Member]          
Concentration Risk [Line Items]          
Concentration Risk, Percentage 14.00%   11.00%    
Supplier two [Member] | Accounts Payable Benchmark [Member] | Supplier Concentration Risk [Member]          
Concentration Risk [Line Items]          
Concentration Risk, Percentage   21.00%