SEGMENT AND RELATED INFORMATION - Summarized Segments - (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2025	Mar. 31, 2024
Revenue from External Customer [Line Items]
Net revenues from external customers	$ 27,165	$ 25,718	$ 77,075	$ 76,941
Inter-segment net revenues	298	277	881	785
(Loss) Income from operations	3,662	3,746	10,704	15,202
Depreciation and amortization	1,238	1,131	3,536	3,546
Capital expenditures	598	187	3,170	399
Manufacturing And Service Of M R I Equipment [Member]
Revenue from External Customer [Line Items]
Net revenues from external customers	2,396	1,967	6,382	5,883
Inter-segment net revenues	298	277	881	785
(Loss) Income from operations	(1,373)	(1,184)	(3,708)	(2,915)
Depreciation and amortization	54	59	157	180
Capital expenditures	153	4	248	24
Health Care, Other [Member]
Revenue from External Customer [Line Items]
Net revenues from external customers	24,769	23,751	70,693	71,058
Inter-segment net revenues	0	0	0	0
(Loss) Income from operations	5,035	4,930	14,412	18,117
Depreciation and amortization	1,184	1,072	3,379	3,366
Capital expenditures	$ 445	$ 183	$ 2,922	$ 375