SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Summary of Restricted Cash) (Details) - USD ($) $ in Thousands		Nov. 30, 2019	Aug. 31, 2019
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]
Restricted cash for land purchase option agreements		$ 50	$ 50
Other short-term restricted cash		15	4
Total short-term restricted cash		65	54
Other long-term restricted cash	[1]	3,689	3,529
Total long-term restricted cash		3,689	3,529
Total restricted cash		$ 3,754	$ 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.