XML 21 R55.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Net Operating Loss Carryforwards (Detail) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2014
U.S. Federal and state income tax |
Operating Loss Carryforwards [Line Items] |
Operating loss carryforward, amount | 49,978 us-gaap_OperatingLossCarryforwards / us-gaap_IncomeTaxAuthorityAxis = thrm_FederalAndStateJurisdictionMember
U.S. Federal and state income tax | Minimum |
Operating Loss Carryforwards [Line Items] |
Operating loss carryforward, year of expiration | 2018
U.S. Federal and state income tax | Maximum |
Operating Loss Carryforwards [Line Items] |
Operating loss carryforward, year of expiration | 2034
Foreign |
Operating Loss Carryforwards [Line Items] |
Operating loss carryforward, amount | 4,090 us-gaap_OperatingLossCarryforwards / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember
Foreign | Minimum |
Operating Loss Carryforwards [Line Items] |
Operating loss carryforward, year of expiration | 2018
Foreign | Maximum |
Operating Loss Carryforwards [Line Items] |
Operating loss carryforward, year of expiration | 2019
Indefinite |
Operating Loss Carryforwards [Line Items] |
Operating loss carryforward, amount | 9,074 us-gaap_OperatingLossCarryforwards / us-gaap_IncomeTaxAuthorityAxis = thrm_ForeignCountryIndefiniteMember
Operating loss carryforward, year of expiration | Indefinite

X
- Definition Operating loss carryforwards expiration dates. + References No definition available. + Details
Name: | thrm_OperatingLossCarryforwardExpirationDate
Namespace Prefix: | thrm_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32559-109319 + Details
Name: | us-gaap_OperatingLossCarryforwards
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Details
Name: | us-gaap_IncomeTaxAuthorityAxis=thrm_FederalAndStateJurisdictionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeTaxAuthorityAxis=thrm_ForeignCountryIndefiniteMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeTaxAuthorityAxis=us-gaap_ForeignCountryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |