Number of major customers who accounted for 10 percent or more of the total amount of benchmark in concentration risk.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 18
-URI http://asc.fasb.org/extlink&oid=84177426&loc=d3e6351-108592

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13531-108611

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=84177426&loc=d3e6404-108592

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 21
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13537-108611

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- Definition

The amount by which the fair value of an investment is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 35
-Paragraph 34
-URI http://asc.fasb.org/extlink&oid=82895926&loc=d3e25351-111560

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- References

No definition available.

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- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

No definition available.

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- References

No definition available.

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DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES, Concentration of Credit Risks and Certain Other Risks (Details) $ in Thousands	12 Months Ended
	Mar. 31, 2018 USD ($) Segment Customer	Mar. 31, 2017 USD ($) Customer	Mar. 31, 2016 USD ($)
DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES [Abstract]
Number of reportable segments \| Segment	2
INVESTMENTS [Abstract]
Impairment losses \| $	$ 0	$ 0	$ 0
Accounts Receivable [Member] \| Customer Concentration Risk [Member]
Concentration Risk [Line Items]
Number of major customers \| Customer	2	3
Accounts Receivable [Member] \| Customer Concentration Risk [Member] \| Distributor One [Member]
Concentration Risk [Line Items]
Accounts receivable by major customer	24.00%
Accounts Receivable [Member] \| Customer Concentration Risk [Member] \| Distributor Two [Member]
Concentration Risk [Line Items]
Accounts receivable by major customer	20.00%
Accounts Receivable [Member] \| Customer Concentration Risk [Member] \| Distributor Three [Member]
Concentration Risk [Line Items]
Accounts receivable by major customer		26.00%
Accounts Receivable [Member] \| Customer Concentration Risk [Member] \| Distributor Four [Member]
Concentration Risk [Line Items]
Accounts receivable by major customer		13.00%
Accounts Receivable [Member] \| Customer Concentration Risk [Member] \| Distributor Five [Member]
Concentration Risk [Line Items]
Accounts receivable by major customer		10.00%