Leases - Narrative (Details) ft² in Thousands, $ in Thousands	3 Months Ended	9 Months Ended
	Mar. 31, 2021 USD ($) ft²	Mar. 31, 2021 USD ($) ft²	Dec. 31, 2020 USD ($)	Jun. 30, 2020 USD ($)
Lessee, Lease, Description [Line Items]
Operating lease cost	$ 600	$ 1,800
Weighted average discount rate	9.00%	9.00%
Weighted average remaining lease term (in years)	4 years 1 month 6 days	4 years 1 month 6 days
Operating lease commitments	$ 900
Right of use assets	4,186	$ 4,186		$ 4,465
Operating lease obligation	$ 4,274	$ 4,274
Mount Airy NC Facility
Lessee, Lease, Description [Line Items]
Area of property leased (in square feet) | ft²	66	66
Right of use assets	$ 800	$ 800	$ 800
Operating lease obligation	$ 800	$ 800
Operating lease term (in years)	3 years	3 years	3 years
Operating lease, renewal term (in years)	2 years	2 years	2 years