The Company	6 Months Ended
Jun. 30, 2012
The Company [Abstract]
The Company	Note 1 – The Company Amerigon Incorporated, doing business as Gentherm, designs, develops, manufactures and markets proprietary technology electronic components and systems for sale to car and truck original equipment manufacturers (“OEMs”). Subject to shareholder approval, Amerigon Incorporated intends to change its name to Gentherm Incorporated to better reflect the Company’s global reach and capabilities in thermal management applications. Unless the context otherwise requires, the terms “Gentherm”, “Company”, “we”, “us” and “our” used herein refer to Amerigon Incorporated. The term “historical Gentherm” used herein excludes W.E.T. Automotive Systems AG (“W.E.T.”), a majority-owned subsidiary of Gentherm. One of the Company’s primary automotive seat comfort products is the Climate Control Seat™ (“CCS™”), which provides year-round comfort by providing both heating and cooling to seat occupants. The Company has shipped approximately 9,691,000 units of its CCS product through June 30, 2012. The Company is engaged in a program to improve the efficiency of our advanced thermoelectric device (“TED”) technologies and to develop, market and distribute new products based on this technology. Included in this initiative are the development and testing of new materials that show increased thermoelectric efficiency. W.E.T.’s primary product categories include automotive seat comfort systems and specialized automotive cable systems. The automotive seat comfort systems category includes automotive seat heaters, climate comfort systems (similar to Gentherm’s climate controlled seat technology) for automotive seats, automotive steering wheel heater systems and integrated electronic components. The specialized automotive cable systems category includes ready-made wire harnesses and related wiring products. The Company has evaluated subsequent events through the date that the consolidated condensed financial statements were issued. No events have taken place that meet the definition of a subsequent event that requires adjustment to the disclosure in this filing.

The Company

6 Months Ended

Jun. 30, 2012

Note 1 – The Company

Amerigon Incorporated, doing business as Gentherm, designs, develops, manufactures and markets proprietary technology electronic components and systems for sale to car and truck original equipment manufacturers (“OEMs”). Subject to shareholder approval, Amerigon Incorporated intends to change its name to Gentherm Incorporated to better reflect the Company’s global reach and capabilities in thermal management applications. Unless the context otherwise requires, the terms “Gentherm”, “Company”, “we”, “us” and “our” used herein refer to Amerigon Incorporated. The term “historical Gentherm” used herein excludes W.E.T. Automotive Systems AG (“W.E.T.”), a majority-owned subsidiary of Gentherm. One of the Company’s primary automotive seat comfort products is the Climate Control Seat™ (“CCS™”), which provides year-round comfort by providing both heating and cooling to seat occupants. The Company has shipped approximately 9,691,000 units of its CCS product through June 30, 2012.

The Company is engaged in a program to improve the efficiency of our advanced thermoelectric device (“TED”) technologies and to develop, market and distribute new products based on this technology. Included in this initiative are the development and testing of new materials that show increased thermoelectric efficiency.

W.E.T.’s primary product categories include automotive seat comfort systems and specialized automotive cable systems. The automotive seat comfort systems category includes automotive seat heaters, climate comfort systems (similar to Gentherm’s climate controlled seat technology) for automotive seats, automotive steering wheel heater systems and integrated electronic components. The specialized automotive cable systems category includes ready-made wire harnesses and related wiring products.

The Company has evaluated subsequent events through the date that the consolidated condensed financial statements were issued. No events have taken place that meet the definition of a subsequent event that requires adjustment to the disclosure in this filing.