Other Long-Term Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Jun. 30, 2019
Other Liabilities Disclosure [Abstract]
Other long-term liabilities-capital leases	$ 35	$ 32
Derivative liabilities—noncurrent	1,068	1,612
Multiemployer Plan Holdback Liability, Long-Term	17	0
Cumulative preferred dividends, undeclared and unpaid—noncurrent	0	618
Deferred income taxes	2,027	1,795
Other long-term liabilities	$ 3,147	$ 4,057