Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Jun. 30, 2016
Prepaid Expenses and Other Current Assets [Line Items]
Prepaid insurance	$ 52	$ 46
Other prepaid expenses	122	231
Other current assets	30	27
Other receivables	67
Prepaid Expense and Other Assets, Current	$ 271	$ 304