Assets Held for Sale and Sale of Former Hungarian Subsidiary	9 Months Ended
Sep. 30, 2015
Assets Held for Sale [Abstract]
Assets Held for Sale and Sale of Former Hungarian Subsidiary	Assets Held for Sale and Sale of Former Hungarian Subsidiary In the fourth quarter of 2013, we announced that we would begin winding down our CodeXyme^® cellulase enzyme program. As a result of the termination of this research program, we concluded that certain excess research and development equipment, including assets at our Hungarian subsidiary as well as some assets in the United States, were no longer needed and would be sold. On March 13, 2014, we entered into an agreement with Intrexon Corporation to sell 100% of our equity interests in our Hungarian subsidiary, Codexis Laboratories Hungary Kft, as well as all assets of such subsidiary that were previously classified as held for sale. On March 15, 2014, the sale transaction closed and we received cash proceeds of $1.5 million from the sale. Accordingly, we reduced the carrying value of assets held for sale by $0.8 million and recognized a gain of $0.8 million in connection with the sale which was included in research and development expenses. As part of the purchase, the buyer obtained all of the Hungarian assets held for sale and assumed all employment and facility lease related contract obligations. There were no transaction related costs incurred other than legal fees, which were recorded in selling, general and administrative expenses. Prior to the sale of our Hungarian subsidiary in the first quarter of 2014, we transferred certain of the subsidiary's equipment to another of our European subsidiaries and incurred a reclaimable VAT liability of approximately $0.4 million. We paid this VAT amount in July 2014 and recorded a receivable, which is reflected in prepaid expenses and other current assets in our condensed consolidated balance sheets at September 30, 2015 and December 31, 2014. During the second quarter of 2014, we revised our plan to sell certain U.S. research and development equipment. As part of the revised plan, some equipment was returned to operational use. Additionally, we exchanged certain equipment for more suitable, newer equipment and recognized a loss of approximately $0.2 million as part of the exchange. We also decided to expedite the disposal of other held for sale assets by selling these assets through auction which resulted in further impairment charges of $0.6 million for the three months ended June 30, 2014. We disposed of the remaining held for sale equipment in the third quarter of 2014, which resulted in an additional impairment charge of $0.1 million. There were no assets classified as held for sale as of September 30, 2015 and as of December 31, 2014.

Assets Held for Sale and Sale of Former Hungarian Subsidiary

In the fourth quarter of 2013, we announced that we would begin winding down our CodeXyme^® cellulase enzyme program. As a result of the termination of this research program, we concluded that certain excess research and development equipment, including assets at our Hungarian subsidiary as well as some assets in the United States, were no longer needed and would be sold.

On March 13, 2014, we entered into an agreement with Intrexon Corporation to sell 100% of our equity interests in our Hungarian subsidiary, Codexis Laboratories Hungary Kft, as well as all assets of such subsidiary that were previously classified as held for sale. On March 15, 2014, the sale transaction closed and we received cash proceeds of $1.5 million from the sale. Accordingly, we reduced the carrying value of assets held for sale by $0.8 million and recognized a gain of $0.8 million in connection with the sale which was included in research and development expenses. As part of the purchase, the buyer obtained all of the Hungarian assets held for sale and assumed all employment and facility lease related contract obligations. There were no transaction related costs incurred other than legal fees, which were recorded in selling, general and administrative expenses.

Prior to the sale of our Hungarian subsidiary in the first quarter of 2014, we transferred certain of the subsidiary's equipment to another of our European subsidiaries and incurred a reclaimable VAT liability of approximately $0.4 million. We paid this VAT amount in July 2014 and recorded a receivable, which is reflected in prepaid expenses and other current assets in our condensed consolidated balance sheets at September 30, 2015 and December 31, 2014.

During the second quarter of 2014, we revised our plan to sell certain U.S. research and development equipment. As part of the revised plan, some equipment was returned to operational use. Additionally, we exchanged certain equipment for more suitable, newer equipment and recognized a loss of approximately $0.2 million as part of the exchange. We also decided to expedite the disposal of other held for sale assets by selling these assets through auction which resulted in further impairment charges of $0.6 million for the three months ended June 30, 2014. We disposed of the remaining held for sale equipment in the third quarter of 2014, which resulted in an additional impairment charge of $0.1 million.

There were no assets classified as held for sale as of September 30, 2015 and as of December 31, 2014.