Investments	12 Months Ended
Jan. 31, 2019
Investments, Debt and Equity Securities [Abstract]
Investments	Investments As of January 31, 2019 and January 31, 2018, the Company did not hold any available-for-sale investments.

The entire disclosure for investments in certain debt and equity securities.

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-Topic 942
-SubTopic 320
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-Publisher FASB
-Name Accounting Standards Codification
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 940
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-URI http://asc.fasb.org/subtopic&trid=2176304

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