XML 55 R53.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Income Taxes - Additional Information (Detail) (USD $) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2012 Preferred Financing [Member] | Dec. 31, 2010 Preferred Financing [Member] | Dec. 31, 2012 Change in Control [Member] | Sep. 22, 2006 Change in Control [Member]
Income Taxes [Line Items] |  |  |  |  |  |
Net operating loss carryforward annual limitation |  |  | $ 591,000 |  | $ 8,135,000 |
Net operating loss carryforward expected to expire |  |  | 6,025,000 |  |  |
Net operating loss expired |  |  | 13,324,000 |  |  |
Decrease in related valuation allowance |  |  | (1,503,000) |  |  |
Net operating loss additional amount utilizable |  |  |  | 4,044,000 |  |
Reversed portion of the valuation allowance related adjustment |  |  |  | 1,375,000 |  |
Three-year cumulative percentage of company's common stock traded by large shareholders |  |  |  |  |  | 50.00%
Deductions taken for tax purposes on stock option exercises | 171,000 | 3,275,000 |  |  |  |
Tax benefit due to a change in tax law | $ 1,300,000 |  |  |  |  |

X
- Definition Three-year cumulative percentage of common stock traded by large shareholders. + References No definition available. + Details
Name: | thrm_CommonStockOutstandingPercentage
Namespace Prefix: | thrm_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | thrm_IncomeTaxesLineItems
Namespace Prefix: | thrm_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Net Operating Loss Carryforward Annual Limitation + References No definition available. + Details
Name: | thrm_NetOperatingLossCarryforwardAnnualLimitation
Namespace Prefix: | thrm_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition Net Operating Loss Carryforward Expected to Expire + References No definition available. + Details
Name: | thrm_NetOperatingLossCarryforwardExpectedToExpire
Namespace Prefix: | thrm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Net Operating Losse Additional Amount Utilizable + References No definition available. + Details
Name: | thrm_NetOperatingLosseAdditionalAmountUtilizable
Namespace Prefix: | thrm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Net Operating Loss Expiration Amount + References No definition available. + Details
Name: | thrm_NetOperatingLossExpirationAmount
Namespace Prefix: | thrm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Unrecorded Tax Benefit From Stock Options Exercised + References No definition available. + Details
Name: | thrm_UnrecordedTaxBenefitFromStockOptionsExercised
Namespace Prefix: | thrm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The portion of the difference between total income tax expense or benefit as reported in the Income Statement and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations, that is attributable to changes in the income tax rates under enacted tax laws in the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 27 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=21917399&loc=d3e32059-109318 + Details
Name: | us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of the change in the period in the valuation allowance for a specified deferred tax asset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 43 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=21917399&loc=d3e32123-109318 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 26 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
Name: | us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Total of the adjustments in a given period to allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 09 -Article 12 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e24092-122690 + Details
Name: | us-gaap_ValuationAllowancesAndReservesAdjustments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration