COMMITMENTS AND CONTINGENCIES (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
Dec. 31, 2014	Sep. 30, 2014
Commitments and Contingencies [Abstract]
Rental expense for operating leases	$ 0.3us-gaap_LeaseAndRentalExpense	$ 0.2us-gaap_LeaseAndRentalExpense
Royalty expense	$ 0.1us-gaap_RoyaltyExpense

Amount of expense related to royalty payments under a contractual arrangement such as payment for mineral and drilling rights and use of technology or intellectual property.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.3)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

Name:	us-gaap_RoyaltyExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration