SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Summary of Restricted Cash) (Details) - USD ($) $ in Thousands		Feb. 29, 2020	Aug. 31, 2019
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]
Restricted cash for land purchase option agreements		$ 50	$ 50
Other short-term restricted cash		43	4
Total short-term restricted cash		93	54
Other long-term restricted cash	[1]	3,831	3,529
Total long-term restricted cash		3,831	3,529
Total restricted cash		$ 3,924	$ 3,583

[1] Other long-term restricted cash consists mainly of cash deposits held within banking institutions in compliance with federal regulatory requirements in Costa Rica and Panama.