Change in Accounting Principle - Leases (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Jun. 30, 2019	Jun. 01, 2019
Change in Accounting Principle
Term of operating lease			5 years 8 months
Future lease payments discount rate		9.50%
COLORADO
Change in Accounting Principle
Right of use assets		$ 465
Lease liability		$ 450
Mexico and Argentina
Change in Accounting Principle
Right of use assets	$ 45
Lease liability	$ 45
Mexico
Change in Accounting Principle
Term of operating lease	4 years
Right of use assets	$ 174
Lease liability	$ 174
Argentina
Change in Accounting Principle
Term of operating lease	2 years
Right of use assets	$ 18
Lease liability	$ 18