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SEGMENT AND RELATED INFORMATION - Summarized segments - (Details) - USD ($) | 12 Months Ended
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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

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