Fixed Assets - Summary of Fixed Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Jun. 30, 2021
Property Plant And Equipment [Line Items]
Property and Equipment, Gross Carrying Amount	$ 2,906	$ 2,522
Accumulated depreciation	(2,293)	(1,541)
Net carrying amount	613	981
Medical equipment held for rental	15,349	14,933
Accumulated depreciation	(8,539)	(7,542)
Net carrying amount	6,810	7,391
Leasehold Improvements
Property Plant And Equipment [Line Items]
Property and Equipment, Gross Carrying Amount	951	835
Vehicles
Property Plant And Equipment [Line Items]
Property and Equipment, Gross Carrying Amount	161	172
Computer Equipment And Software
Property Plant And Equipment [Line Items]
Property and Equipment, Gross Carrying Amount	636	500
Furniture and Fixtures
Property Plant And Equipment [Line Items]
Property and Equipment, Gross Carrying Amount	565	422
Sleep Study Equipment
Property Plant And Equipment [Line Items]
Property and Equipment, Gross Carrying Amount	$ 593	$ 593