Acquisition (Details) - USD ($) $ in Thousands		12 Months Ended
	Aug. 05, 2019	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Payments to Acquire Intangible Assets		$ 717	$ 890	$ 1,113
Finite-Lived Intangible Assets, Gross		18,266	6,093
Developed Technology Rights
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Finite-Lived Intangible Assets, Gross		15,624	0
Trade Names
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Finite-Lived Intangible Assets, Gross		$ 760	$ 0
WIRION Embolic Protection System
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Business Combination, Consideration Transferred	$ 16,687
Payments to Acquire Intangible Assets	$ 5,600
Shares issued (in shares)	31,493
Value of shares issued for acquisition	$ 1,346
Additional consideration, pending disbursement	10,000
Potential milestone payment	3
Milestone payment target, increment in net revenues	10
Milestone payment target, excess threshold	30
WIRION Embolic Protection System | Developed Technology Rights
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Finite-Lived Intangible Assets, Gross	15,624
WIRION Embolic Protection System | Trade Names
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Finite-Lived Intangible Assets, Gross	$ 760