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Debt - Schedule of Long Term Debt (Detail) - USD ($) $ in Thousands | Sep. 30, 2016 | Mar. 31, 2016
--- | --- | ---
Debt Instrument [Line Items] |  |
Short-term debt | $ 0 | $ 10,432
Debt discount, short-term | 0 | 568
Long-term debt | 9,384 | 0
Debt discount, long-term | 6,616 | 0
Revolving line of credit, principal |  |
Debt Instrument [Line Items] |  |
Short-term debt | 0 | 3,000
Senior debenture |  |
Debt Instrument [Line Items] |  |
Short-term debt | 0 | 7,432
Convertible notes |  |
Debt Instrument [Line Items] |  |
Long-term debt | $ 9,384 | $ 0

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- Definition Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19,20) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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