Net Income (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 Units, shares in Thousands, $ in Thousands	3 Months Ended						9 Months Ended
	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Mar. 31, 2021	Mar. 31, 2020
Numerator:
Net income	$ (390)	$ 4,769	$ 402	$ 2,625	$ 10,710	$ (9,356)	$ 4,781	$ 3,979
Denominator:
Weighted average shares outstanding - basic	93,123			90,476			92,106	89,585
Dilutive effect of potential common shares				379			1,316	844
Weighted average shares outstanding - diluted	93,123			90,855			93,422	90,429
Basic net income (loss) per share	$ 0.00			$ 0.03			$ 0.05	$ 0.04
Diluted net income (loss) per share	$ 0.00			$ 0.03			$ 0.05	$ 0.04