NOTE 6 - PROPERTY AND EQUIPMENT - Property and Equipment (Details) - USD ($)	Jun. 30, 2021	Jun. 30, 2020
Property, Plant and Equipment [Line Items]
Property and Equipment Before Accumulated depreciation and amortization	$ 55,277,600	$ 51,373,184
Less: Accumulated depreciation and amortization of property and equipment	33,427,461	30,009,150
Property and Equipment AfterAccumulated depreciation and amortization	21,850,139	21,364,034
Diagnostic Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment Before Accumulated depreciation and amortization	29,826,829	28,434,063
Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment Before Accumulated depreciation and amortization	6,029,551	5,901,961
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment Before Accumulated depreciation and amortization	2,069,055	2,069,055
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment Before Accumulated depreciation and amortization	3,450,664	3,291,666
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment Before Accumulated depreciation and amortization	12,961,887	10,736,825
Building [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment Before Accumulated depreciation and amortization	$ 939,614	$ 939,614