XML 20 R55.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Series C Convertible Preferred Stock Installments (Detail) (USD $) In Thousands, except Share data, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Class Of Stock [Line Items] |  |  |
Dividend, installment payments | $ 696 | $ 3,431 |
Principal, installment payments | 8,446 | 31,120 |
Total, installment payments | 9,142 | 34,551 |
Dividend, cash |  | 2,400 |
Principal, cash |  | 23,340 |
Total |  | 25,740 |
Dividend, stock |  | 1,031 |
Principal, stock |  | 7,780 | 7,780
Total, stock |  | $ 8,811 |
Dividend, stock (shares) |  | 80,169 |
Principal, stock (shares) |  | 600,309 |
Total, stock (shares) |  | 680,478 |

X
- Definition Dividend installment payments. + References No definition available. + Details
Name: | thrm_DividendInstallmentPayments
Namespace Prefix: | thrm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Dividends Preferred Stock Number Of Shares. + References No definition available. + Details
Name: | thrm_DividendsPreferredStockNumberOfShares
Namespace Prefix: | thrm_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Net of dividend and principal installment payments. + References No definition available. + Details
Name: | thrm_NetOfDividendAndPrincipalInstallmentPayments
Namespace Prefix: | thrm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Net of dividend and principal paid in cash. + References No definition available. + Details
Name: | thrm_NetOfDividendAndPrincipalPaidInCash
Namespace Prefix: | thrm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Net Of Dividend And Principal Paid In Number Of Shares. + References No definition available. + Details
Name: | thrm_NetOfDividendAndPrincipalPaidInNumberOfShares
Namespace Prefix: | thrm_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Net Of Dividend And Principal Paid In Stock. + References No definition available. + Details
Name: | thrm_NetOfDividendAndPrincipalPaidInStock
Namespace Prefix: | thrm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Preferred Stock Principal Number Of Shares. + References No definition available. + Details
Name: | thrm_PreferredStockPrincipalNumberOfShares
Namespace Prefix: | thrm_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Preferred stock principal paid in common stock value. + References No definition available. + Details
Name: | thrm_PreferredStockPrincipalPaidInCommonStockValue
Namespace Prefix: | thrm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Preferred stock principal paid in installments. + References No definition available. + Details
Name: | thrm_PreferredStockPrincipalPaidInInstallments
Namespace Prefix: | thrm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Principal paid in cash. + References No definition available. + Details
Name: | thrm_PrincipalPaidInCash
Namespace Prefix: | thrm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

X
- Definition Amount of paid and unpaid preferred stock dividends declared with the form of settlement in cash. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 405 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6957935&loc=d3e64057-112817 + Details
Name: | us-gaap_DividendsPreferredStockCash
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of paid and unpaid preferred stock dividends declared with the form of settlement in stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 405 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6957935&loc=d3e64057-112817 + Details
Name: | us-gaap_DividendsPreferredStockStock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration