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				6 Months Ended
	Dec. 31, 2021	Sep. 30, 2021	Dec. 31, 2020	Sep. 30, 2020	Dec. 31, 2021	Dec. 31, 2020
Numerator:
Net income (loss)	$ 179	$ (1,028)	$ 4,769	$ 402	$ (849)	$ 5,171
Denominator:
Weighted average shares outstanding - basic	91,761		92,025		91,299	91,609
Dilutive effect of potential common shares	2,171		1,328			998
Weighted average shares outstanding - diluted	93,932		93,353		91,299	92,607
Basic net income (loss) per share	$ 0.00		$ 0.05		$ (0.01)	$ 0.06
Diluted net income (loss) per share	$ 0.00		$ 0.05		$ (0.01)	$ 0.06