XML 63 R51.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Fair Value Measurements - Schedule of Assets and Liabilities Carried at Fair Value on Recurring Basis (Detail) - USD ($) $ in Thousands | Dec. 31, 2018 | Mar. 31, 2018 | Dec. 31, 2017 | Mar. 31, 2017
--- | --- | --- | --- | ---
Assets: |  |  |  |
Cash equivalents | $ 47,089 | $ 32,589 |  |
Derivative liabilities: |  |  |  |
Warrants | 3,875 | 1,217 |  |
Reported value measurement | Quoted Prices in Active Markets (Level 1) |  |  |  |
Assets: |  |  |  |
Cash equivalents | 47,089 | 32,589 |  |
Reported value measurement | Significant Other Observable Inputs (Level 2) |  |  |  |
Assets: |  |  |  |
Cash equivalents | 0 | 0 |  |
Reported value measurement | Significant Unobservable Inputs (Level 3) |  |  |  |
Assets: |  |  |  |
Cash equivalents | 0 | 0 |  |
Warrants |  |  |  |
Derivative liabilities: |  |  |  |
Warrants | 3,875 | 1,217 | $ 455 | $ 1,923
Warrants | Reported value measurement | Quoted Prices in Active Markets (Level 1) |  |  |  |
Derivative liabilities: |  |  |  |
Warrants | 0 | 0 |  |
Warrants | Reported value measurement | Significant Other Observable Inputs (Level 2) |  |  |  |
Derivative liabilities: |  |  |  |
Warrants | 0 | 0 |  |
Warrants | Reported value measurement | Significant Unobservable Inputs (Level 3) |  |  |  |
Derivative liabilities: |  |  |  |
Warrants | $ 3,875 | $ 1,217 |  |

X
- References No definition available. + Details
Name: | us-gaap_AssetsFairValueDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References No definition available. + Details
Name: | us-gaap_CashAndCashEquivalentsFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 + Details
Name: | us-gaap_DerivativeLiabilitiesCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_LiabilitiesFairValueDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FairValueByMeasurementBasisAxis=us-gaap_CarryingReportedAmountFairValueDisclosureMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_WarrantMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |