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INCOME TAXES (Details) - Schedule of Unrecognized Tax Benefits Roll Forward - USD ($) $ in Thousands	6 Months Ended
	Jul. 31, 2017	Jul. 31, 2016
Schedule of Unrecognized Tax Benefits Roll Forward [Abstract]
Unrecognized tax benefits, beginning of period	$ 2,096	$ 987
Changes for prior years’ tax positions	164	171
Unrecognized tax benefits, end of period	$ 2,260	$ 1,158

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- References

No definition available.

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- References

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- Definition

Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15A
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319

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