Accounts Payable and Accrued Expenses (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Jun. 30, 2017
Accounts payable, trade	$ 582	$ 246
Accrued payroll, vacation and other employee expenses	31	1,240
Accrued Real-Time sale transaction expenses	0	1,767
Unrecognized income from research and development tax credits	130	566
Accrued income taxes	87	415
Dividend payable	1	60
Other accrued expenses	458	227
Accounts payable and accrued expenses, Total	$ 1,289	$ 4,521