Leases - Narrative (Details) $ in Thousands	1 Months Ended	3 Months Ended	6 Months Ended
	Dec. 31, 2020 USD ($) ft² facility	Dec. 31, 2020 USD ($) ft² facility	Dec. 31, 2020 USD ($) ft² facility	Dec. 31, 2019 USD ($)	Jun. 30, 2020 USD ($)
Lessee, Lease, Description [Line Items]
Operating lease cost		$ 600	$ 1,200
Weighted average discount rate	9.00%	9.00%	9.00%
Weighted average remaining lease term	4 years 1 month 6 days	4 years 1 month 6 days	4 years 1 month 6 days
Operating lease commitments		$ 900
Exchange expense on operating lease commitments			$ 100
Proceeds from sale of facility			5,214	$ 0
Right of use assets	$ 4,782	4,782	4,782		$ 4,465
Operating Lease Obligations	$ 4,873	$ 4,873	$ 4,873
Mount Airy NC Facility
Lessee, Lease, Description [Line Items]
Number of buildings sold | facility	3	3	3
Proceeds from sale of facility	$ 5,200
Area of property leased | ft²	66,000	66,000	66,000
Right of use assets	$ 800	$ 800	$ 800
Operating Lease Obligations	$ 800	$ 800	$ 800
Operating lease term	3 years	3 years	3 years
Operating lease, renewal term	2 years	2 years	2 years