SEGMENT AND RELATED INFORMATION - Summarized segments - (Details) - USD ($)	12 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Revenue from External Customer [Line Items]
Net revenues from external customers	$ 104,351,318	$ 102,884,089
Total Research and development costs	1,576,086	1,735,949
Selling, general and administrative expenses	29,734,163	26,868,732
Depreciation and amortization	4,698,321	4,596,421
Manufacturingand Servicingof Medical Equipment [Member]
Revenue from External Customer [Line Items]
Net revenues from external customers	8,977,349	8,329,106
Salaries and wages	2,905,311	2,684,218
Rent expense
Other Cost of sales expenses**	2,944,740	2,089,924
Total Cost of sales	5,850,051	4,774,142
Salaries and wages	766,963	781,012
Other research and development costs**	809,123	954,937
Total Research and development costs	1,576,086	1,735,949
Salaries and wages	4,934,716	4,794,512
Rent expense	1,251,924	1,076,069
Other selling, general and administrative expenses**	2,970,693	2,906,446
Selling, general and administrative expenses	9,157,333	8,777,027
Total costs and expenses	16,619,740	15,287,118
(Loss) Income from operations	(7,606,121)	(6,958,012)
Investment income	107,777	120,387
Other income (expenses)	52,508	640,952
(Loss) Income before provision for income taxes	(7,445,836)	(6,196,673)
Provision for income taxes	(2,885,852)	(4,788,028)
Net (Loss) income	(10,331,688)	(10,984,701)
Intersegment net revenues *	1,189,130	1,073,333
Depreciation and amortization	209,325	238,802
Total identifiable assets	34,401,915	30,360,188
Capital expenditures	375,599	32,885
Managementof Diagnostic Imaging Centers [Member]
Revenue from External Customer [Line Items]
Net revenues from external customers	95,373,969	94,554,983
Salaries and wages	19,384,410	18,913,412
Rent expense	4,822,044	4,532,535
Other Cost of sales expenses**	31,385,807	29,523,955
Total Cost of sales	55,592,261	52,969,902
Salaries and wages
Other research and development costs**
Total Research and development costs
Salaries and wages	10,983,643	10,156,520
Rent expense	36,528	73,676
Other selling, general and administrative expenses**	9,556,659	7,861,509
Selling, general and administrative expenses	20,576,830	18,091,705
Total costs and expenses	76,133,091	71,061,607
(Loss) Income from operations	19,204,878	23,493,376
Investment income	2,011,203	2,006,052
Other income (expenses)	9,993	(36,370)
(Loss) Income before provision for income taxes	21,226,074	25,463,058
Provision for income taxes	(220,953)	(380,940)
Net (Loss) income	21,005,121	25,082,118
Intersegment net revenues *
Depreciation and amortization	4,488,996	4,357,619
Total identifiable assets	182,646,336	183,885,781
Capital expenditures	3,441,307	789,961
Total
Revenue from External Customer [Line Items]
Net revenues from external customers	104,351,318	102,884,089
Salaries and wages	22,289,721	21,597,630
Rent expense	4,822,044	4,532,535
Other Cost of sales expenses**	34,330,547	31,613,879
Total Cost of sales	61,442,312	57,744,044
Salaries and wages	766,963	781,012
Other research and development costs**	809,123	954,937
Total Research and development costs	1,576,086	1,735,949
Salaries and wages	15,918,359	14,951,032
Rent expense	1,288,452	1,149,745
Other selling, general and administrative expenses**	12,527,352	10,767,955
Selling, general and administrative expenses	29,734,163	26,868,732
Total costs and expenses	92,752,561	86,348,725
(Loss) Income from operations	11,598,757	16,535,364
Investment income	2,118,980	2,126,439
Other income (expenses)	62,501	604,582
(Loss) Income before provision for income taxes	13,780,238	19,266,385
Provision for income taxes	(3,106,805)	(5,168,968)
Net (Loss) income	10,673,433	14,097,417
Intersegment net revenues *	1,189,130	1,073,333
Depreciation and amortization	4,698,321	4,596,421
Total identifiable assets	217,048,251	214,245,969
Capital expenditures	$ 3,816,906	$ 822,846