Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid  In Capital	Accumulated Other Comprehensive Income	Accumulated Deficit
Balance at beginning of period at Jun. 30, 2017	$ 118,389	$ 33	$ 447,559	$ 100	$ (329,303)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Proceeds from Issuance of Common Stock	0
Stock-based compensation related to restricted stock awards, net	9,546	0	9,546	0	0
Exercise of stock options and warrants	514	0	514	0	0
Employee stock purchase plan activity	4,308	0	4,308	0	0
Unrealized gain on available-for-sale debt securities	35	0	0	35	0
Unrealized gain on available-for-sale debt securities	(34)	0	0	(34)	0
Net (loss) income	1,712	0	0	0	1,712
Balance at end of period at Jun. 30, 2018	134,470	33	461,927	101	(327,591)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Proceeds from Issuance of Common Stock	0
Stock-based compensation related to restricted stock awards, net	10,356	1	10,355	0	0
Shares withheld for payroll taxes	(1,791)	0	0	0	1,791
Exercise of stock options and warrants	196	0	196	0	0
Employee stock purchase plan activity	4,890	0	4,890	0	0
Unrealized gain on available-for-sale debt securities	78	0	0	78	0
Unrealized gain on available-for-sale debt securities	0
Net (loss) income	(255)	0	0	0	(255)
Balance at end of period at Jun. 30, 2019	147,944	34	477,368	78	(329,536)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Proceeds from Issuance of Common Stock	134,979	5	134,974	0	0
Stock-based compensation related to restricted stock awards, net	12,677	0	12,677	0	0
Shares withheld for payroll taxes	(6,303)	0	0	0	(6,303)
Employee stock purchase plan activity	5,194	0	5,194	0	0
Unrealized gain on available-for-sale debt securities	191	0	0	191	0
Unrealized gain on available-for-sale debt securities	0
Stock issued for acquisitions	1,346	0	1,346	0	0
Net (loss) income	(27,236)	0	0	0	(27,236)
Balance at end of period at Jun. 30, 2020	$ 268,792	$ 39	$ 631,559	$ 269	$ (363,075)