Fixed Assets - Summary of Fixed Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Jun. 30, 2021
Property Plant And Equipment [Line Items]
Property and Equipment, Gross Carrying Amount	$ 2,958	$ 2,522
Accumulated depreciation	(2,420)	(1,541)
Net carrying amount	538	981
Medical equipment held for rental	16,593	14,933
Accumulated depreciation	(9,089)	(7,542)
Net carrying amount	7,504	7,391
Leasehold Improvements
Property Plant And Equipment [Line Items]
Property and Equipment, Gross Carrying Amount	970	835
Vehicles
Property Plant And Equipment [Line Items]
Property and Equipment, Gross Carrying Amount	162	172
Computer Equipment And Software
Property Plant And Equipment [Line Items]
Property and Equipment, Gross Carrying Amount	642	500
Furniture and Fixtures
Property Plant And Equipment [Line Items]
Property and Equipment, Gross Carrying Amount	590	422
Sleep Study Equipment
Property Plant And Equipment [Line Items]
Property and Equipment, Gross Carrying Amount	$ 594	$ 593