DISCONTINUED OPERATIONS (Details) - Summary of Discontinued Operations - USD ($) $ in Thousands	Jun. 30, 2017	Sep. 30, 2016
Assets of discontinued operations:
Prepaid and other current assets	$ 479	$ 219
Other long-term assets	4,314	1,968
Total assets of discontinued operations	4,793	2,187
Liabilities of discontinued operations:
Accrued liabilities, current	1,107	1,684
Other long-term liabilities	4,321	1,706
Total liabilities of discontinued operations	$ 5,428	$ 3,390