Income Taxes (Details 2) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Benefit at federal statutory rate	$ (2,120)	$ (1,923)
Change in valuation allowance	(7,124)	3,320
Permanent differences	478	38
Gain on sale of operations - permanent difference	536	0
Net operating loss expiration and adjustment	(145)	(60)
Change in federal tax rates	7,413	0
Change in state tax rates	(205)	0
Change in foreign tax rates	(86)	0
Change in uncertain tax positions	3	(206)
U.S. research and development credits	489	(1,294)
Foreign rate differential	29	(20)
State and foreign tax expense	(98)	(354)
Other	(129)	(466)
Benefit for income taxes	$ (959)	$ (965)