PROPERTY AND EQUIPMENT - Property and Equipment (Details) - USD ($)	Jun. 30, 2022	Jun. 30, 2021
Property, Plant and Equipment [Line Items]
Property and Equipment Before Accumulated depreciation and amortization	$ 58,084,974	$ 55,277,600
Less: Accumulated depreciation and amortization of property and equipment	35,803,183	33,427,461
Property and Equipment AfterAccumulated depreciation and amortization	22,281,791	21,850,139
Diagnostic Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment Before Accumulated depreciation and amortization	31,304,258	29,826,829
Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment Before Accumulated depreciation and amortization	6,199,941	6,029,551
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	3,484,525	3,450,664
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment Before Accumulated depreciation and amortization	14,087,581	12,961,887
Building [Member]
Property, Plant and Equipment [Line Items]
Property and Equipment Before Accumulated depreciation and amortization	$ 939,614	$ 939,614