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Revenue (Tables)
3 Months Ended
Sep. 30, 2025
Revenue  
Schedule of disaggregation of revenue by major product category [Table Text Block]
    Three Months Ended September 30,  
    2025     2024  
Physical Therapy and Rehabilitation Products $ 4,161,586   $ 4,218,354  
Orthopedic Soft Bracing Products   2,835,716     3,356,988  
Other   26,725     26,907  
  $ 7,024,027   $ 7,602,249