Net Loss Per Common Share - Schedule of reconciliation of the numerator and denominator used in the calculation of basic and diluted net income (loss) per common share (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Numerator:
Net loss used to compute basic and diluted loss per share	$ (9,356)	$ (9,206)
Weighted average common shares used in computing net loss per share:
Weighted average shares used to compute basic and diluted loss per share	88,772	86,479