SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Summary of Restricted Cash) (Details) - USD ($) $ in Thousands		May 31, 2016	Aug. 31, 2015
Cash and Cash Equivalents [Line Items]
Other short-term restricted cash		$ 518	$ 61
Other long-term restricted cash		2,618	1,464
Total restricted cash		3,136	1,525
Federal Regulatory Requirements [Member]
Cash and Cash Equivalents [Line Items]
Restricted cash for land purchase option agreements		442
Other short-term restricted cash		76	61
Other long-term restricted cash	[1]	$ 2,618	$ 1,464

[1] Other long-term restricted cash consists mainly of cash deposits held within banking institutions or with external fund managers in compliance with federal regulatory requirements in Panama to pay a specified benefit on retirement, voluntary departure or death of employees. Additionally, the Company records as long-term restricted cash amounts deposited in designated banking institutions for other regulatory requirements in Costa Rica.