Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Retained Earnings (Accumulated Deficit)
Beginning balance at Aug. 31, 2018	$ 81,638	$ 78	$ 104,918	$ (23,358)
Beginning balance (in shares) at Aug. 31, 2018		78,273
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	11,998	$ 1	11,997
Stock-based compensation (in shares)		882
Stock sold to investors, net of offering costs	41,592	$ 9	41,583
Stock sold to investors (in shares)		9,077
Stock issued for acquisitions	3,568	$ 2	3,566
Stock issued for acquisitions (in shares)		1,809
Issuance of warrants	2,194		2,194
Stock issued for amendment of debt agreement	0
Net loss	(39,636)			(39,636)
Ending balance at Aug. 31, 2019	101,354	$ 90	164,258	(62,994)
Ending balance (in shares) at Aug. 31, 2019		90,041
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	12,443	$ 2	12,441
Stock-based compensation (in shares)		1,356
Stock sold to investors, net of offering costs	42,095	$ 27	42,068
Stock sold to investors (in shares)		27,198
Stock issued for acquisitions	0
Stock issued for acquisitions (in shares)		23
Stock issued for equity investment	2,528	$ 2	2,526
Stock issued for equity investment (in shares)		1,653
Stock issued for amendment of debt agreement	5,965	$ 5	5,960
Stock issued for conversion of debt (in shares)		5,437
Net loss	(77,656)			(77,656)
Ending balance at Aug. 31, 2020	$ 86,729	$ 126	$ 227,253	$ (140,650)
Ending balance (in shares) at Aug. 31, 2020		125,708