Fixed Assets - Summary of Fixed Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Jun. 30, 2020
Property Plant And Equipment [Line Items]
Property and Equipment, Gross Carrying Amount	$ 2,522	$ 2,376
Accumulated depreciation	(1,541)	(966)
Net carrying amount	981	1,410
Medical equipment held for rental	14,933	13,828
Accumulated depreciation	(7,542)	(6,345)
Net carrying amount	7,391	7,483
Leasehold Improvements
Property Plant And Equipment [Line Items]
Property and Equipment, Gross Carrying Amount	835	858
Vehicles
Property Plant And Equipment [Line Items]
Property and Equipment, Gross Carrying Amount	172	237
Computer Equipment And Software
Property Plant And Equipment [Line Items]
Property and Equipment, Gross Carrying Amount	500	298
Furniture and Fixtures
Property Plant And Equipment [Line Items]
Property and Equipment, Gross Carrying Amount	422	394
Sleep Study Equipment
Property Plant And Equipment [Line Items]
Property and Equipment, Gross Carrying Amount	$ 593	$ 589