XML 57 R46.htm IDEA: XBRL DOCUMENT
v3.10.0.1

BALANCE SHEET COMPONENTS (Narrative) (Details) - USD ($) $ in Thousands | Jun. 30, 2018 | Sep. 30, 2017
--- | --- | ---
Restructuring Cost and Reserve [Line Items] |  |  |
Severance | [1] | $ 976 | $ 3,828
Chief Financial Officer [Member] | CFO Severance [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Severance |  | $ 600 |
[1] | Includes the restructuring plan discussed in Note 3, severance payable in connection with the November 2017 departure of the Company's Chief Financial Officer of $0.6 million, and other severance payments.

X
- 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. + Details
Name: | us-gaap_RestructuringCostAndReserveLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Liability for amount due employees, in addition to wages and any other money that employers owe employees, when their employment ends through a layoff or other termination. For example, a company may provide involuntarily terminated employees with a lump sum payment equal to one week's salary for every year of employment. + References No definition available. + Details
Name: | us-gaap_SupplementalUnemploymentBenefitsSeveranceBenefits
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_TitleOfIndividualAxis=us-gaap_ChiefFinancialOfficerMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringCostAndReserveAxis=us-gaap_EmployeeSeveranceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |