Accounts Payable and Accrued Expenses (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Jun. 30, 2016
Accounts payable, trade	$ 3,949	$ 4,767
Accrued payroll, vacation and other employee expenses	3,314	2,757
Accrued income taxes	6	389
Dividend payable	101	95
Deferred refundable tax credit	675	0
Other accrued expenses	1,880	1,183
Accrued Liabilities and Other Liabilities, Total	$ 9,925	$ 9,191