Accounts Payable and Accrued Expenses (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Jun. 30, 2016
Accounts payable, trade	$ 2,316	$ 4,767
Accrued payroll, vacation and other employee expenses	2,175	2,757
Accrued income taxes	127	389
Dividend payable	100	95
Other accrued expenses	1,190	1,183
Accrued Liabilities and Other Liabilities, Total	$ 5,908	$ 9,191