Intangible Assets - Amortization (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Jun. 30, 2019
Goodwill and Intangible Assets Disclosure [Abstract]
Finite-Lived Intangible Assets, Amortization Expense, Next Rolling Twelve Months	$ 1,216
Finite-Lived Intangible Assets, Amortization Expense, Year Two	1,216
Finite-Lived Intangible Assets, Amortization Expense, Year Three	1,212
Finite-Lived Intangible Assets, Amortization Expense, Year Four	1,208
Finite-Lived Intangible Assets, Amortization Expense, Year Five	1,205
Finite-Lived Intangible Assets, Amortization Expense, after Year Five	10,549
Total Patents	$ 16,606	$ 5,105