Revenue - Disaggregate (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Disaggregation of Revenue [Line Items]
Net revenues	$ 61,175	$ 63,311	$ 193,999	$ 179,783
United States
Disaggregation of Revenue [Line Items]
Net revenues	58,122	60,897	185,611	174,417
International
Disaggregation of Revenue [Line Items]
Net revenues	3,053	2,414	8,388	5,366
Peripheral
Disaggregation of Revenue [Line Items]
Net revenues	42,627	45,152	135,736	130,620
Coronary
Disaggregation of Revenue [Line Items]
Net revenues	$ 18,548	$ 18,159	$ 58,263	$ 49,163