Revenue (Schedule of disaggregation of revenue by major product category) (Details) - USD ($)	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Disaggregation of Revenue [Line Items]
Net sales	$ 40,609,372	$ 44,338,490
Physical Therapy and Rehabilitation Products [Member]
Disaggregation of Revenue [Line Items]
Net sales	22,056,592	23,196,669
Orthopedic Soft Bracing Products [Member]
Disaggregation of Revenue [Line Items]
Net sales	18,450,062	21,033,599
Other [Member]
Disaggregation of Revenue [Line Items]
Net sales	$ 102,718	$ 108,222