Income Taxes - Income Before Income Taxes and Tax Provision (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Components of loss before income taxes
United States	$ (12,849)	$ (16,560)
Foreign	(90)	(245)
Loss before income taxes	(12,939)	(16,805)
Current:
Federal	(472)	(2,272)
State	14	15
Foreign	163	166
Total current benefit	(295)	(2,091)
Deferred:
Federal	239	(496)
State	21	(44)
Total deferred (benefit) expense	260	(540)
Income tax benefit	$ (35)	$ (2,631)