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R39.htm
IDEA: XBRL DOCUMENT
v3.8.0.1
Summary of Significant Accounting Policies Income tax (Details)
Dec. 31, 2017
USD ($)
Income Tax Disclosure [Abstract]
Deferred tax asset excluding amount for AMT
$ 0
X
- Definition
Deferred tax asset excluding amount for AMT
+ References
No definition available.
+ Details
Name:
halo_DeferredtaxassetexcludingamountforAMT
Namespace Prefix:
halo_
Data Type:
xbrli:monetaryItemType
Balance Type:
debit
Period Type:
instant
X
- References
No definition available.
+ Details
Name:
us-gaap_IncomeTaxDisclosureAbstract
Namespace Prefix:
us-gaap_
Data Type:
xbrli:stringItemType
Balance Type:
na
Period Type:
duration