Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock [Member]	Treasury Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Loss [Member]	Accumulated Deficit [Member]
Beginning Balance at Jun. 30, 2017	$ 118,082	$ 45		$ 263,533	$ (463)	$ (145,033)
Beginning Balance, Shares at Jun. 30, 2017		45,435,836
Issuance of common stock upon exercise of stock options	11,115	$ 1		11,114
Issuance of common stock upon exercise of stock options, Shares		1,465,265
Release of restricted stock, net of share settlement		$ 2		(2)
Release of restricted stock, net of share settlement, Shares		1,338,624
Stock-based compensation expense	10,250			10,250
Withholding taxes related to release of restricted stock, net of share settlement	(6,487)			(6,487)
Repurchase of common stock	(647)		$ (647)
Repurchase of common stock, Shares			(93,341)
Retirement of treasury stock	$ 647		$ 647	(647)
Retirement of treasury stock, Shares	93,341	(93,341)	93,341
Net income	$ 15,930					15,930
Other comprehensive income	83				83
Ending Balance at Jun. 30, 2018	148,326	$ 48		277,761	(380)	(129,103)
Ending Balance, Shares at Jun. 30, 2018		48,146,384
Issuance of common stock upon exercise of stock options	$ 7,702	$ 1		7,701
Issuance of common stock upon exercise of stock options, Shares	1,147,124	1,147,124
Release of restricted stock, net of share settlement		$ 1		(1)
Release of restricted stock, net of share settlement, Shares		1,224,952
Stock-based compensation expense	$ 14,198			14,198
Withholding taxes related to release of restricted stock, net of share settlement	(9,891)			(9,891)
Retirement of treasury stock	$ 0
Retirement of treasury stock, Shares	0
Net income	$ 62,480					62,480
Other comprehensive income	14				14
Ending Balance at Jun. 30, 2019	$ 222,829	$ 50		289,768	(366)	(66,623)
Ending Balance, Shares at Jun. 30, 2019	50,518,460	50,518,460
Issuance of common stock upon exercise of stock options	$ 4,479	$ 1		4,478
Issuance of common stock upon exercise of stock options, Shares	777,854	777,854
Release of restricted stock, net of share settlement		$ 1		(1)
Release of restricted stock, net of share settlement, Shares		913,499
Stock-based compensation expense	$ 16,781			16,781
Withholding taxes related to release of restricted stock, net of share settlement	(6,376)			(6,376)
Retirement of treasury stock	$ 0
Retirement of treasury stock, Shares	0
Net income	$ 18,102					18,102
Other comprehensive income	129				129
Ending Balance at Jun. 30, 2020	$ 255,944	$ 52		$ 304,650	$ (237)	$ (48,521)
Ending Balance, Shares at Jun. 30, 2020	52,209,813	52,209,813