Equity Method Investments	12 Months Ended
Dec. 31, 2018
Equity Method Investments And Joint Ventures [Abstract]
Equity Method Investments	(14) Equity Method Investments The Company utilized the equity method of accounting with respect to its investment in TyraTech Inc. (“TyraTech”), a Delaware corporation that specializes in developing, marketing and selling pesticide products containing essential oils and other natural ingredients, until the Company acquired all of TyraTech’s remaining outstanding shares as of November 8, 2018 (see Note 8). For the period from January 1, 2018 to November 8, 2018, and the years ended December 31, 2017 and 2016, the Company recognized losses of $1,424, $177, and $353, respectively on its equity method investment. In addition, the Company recognized a gain in the amount of $1,463 in connection with the re-measurement of its pre-existing equity interest in TyraTech at fair value as of the acquisition date of the remaining outstanding shares. As of December 31, 2017 and 2016, the Company’s ownership position in TyraTech was approximately 15.11%. On August 2, 2016, AMVAC BV entered into a joint venture with Huifeng. The entity, Hong Kong JV, is intended to focus on activities such as market access and technology transfer between the two members. AMVAC BV is a 50% owner of the entity. No material contributions were made to this joint venture in 2016. On June 27, 2017, both AMVAC BV and Huifeng (Hong Kong) Ltd. made individual capital contributions of $950 to the Hong Kong JV. As of December 31, 2018 and 2017, the Company’s ownership position in the Hong Kong JV was 50%. The Company utilizes the equity method of accounting with respect to this investment. On July 7, 2017, the Hong Kong JV purchased the shares of Profeng Australia, Pty Ltd. (“Profeng”), for a total consideration of $1,900. The purchase consists of Profeng Australia, Pty Ltd Trustee and Profeng Australia Unit Trust. Both Trust and Trustee were previously owned by Huifeng via its wholly owned subsidiary Huifeng (Hong Kong) Ltd. For the years ended December 31, 2018 and 2017, the Company recognized a loss and an income of ($427) and $128, respectively, as a result of the Company’s ownership position in the Hong Kong JV. There was no loss or income recognized in 2016. At December 31, 2018 and 2017, the carrying value of the Company’s investment in the Hong Kong JV was $722 and $1,078, respectively.

Equity Method Investments

12 Months Ended

Dec. 31, 2018

Equity Method Investments And Joint Ventures [Abstract]

(14) Equity Method Investments

The Company utilized the equity method of accounting with respect to its investment in TyraTech Inc. (“TyraTech”), a Delaware corporation that specializes in developing, marketing and selling pesticide products containing essential oils and other natural ingredients, until the Company acquired all of TyraTech’s remaining outstanding shares as of November 8, 2018 (see Note 8). For the period from January 1, 2018 to November 8, 2018, and the years ended December 31, 2017 and 2016, the Company recognized losses of $1,424, $177, and $353, respectively on its equity method investment. In addition, the Company recognized a gain in the amount of $1,463 in connection with the re-measurement of its pre-existing equity interest in TyraTech at fair value as of the acquisition date of the remaining outstanding shares. As of December 31, 2017 and 2016, the Company’s ownership position in TyraTech was approximately 15.11%.

On August 2, 2016, AMVAC BV entered into a joint venture with Huifeng. The entity, Hong Kong JV, is intended to focus on activities such as market access and technology transfer between the two members. AMVAC BV is a 50% owner of the entity. No material contributions were made to this joint venture in 2016.

On June 27, 2017, both AMVAC BV and Huifeng (Hong Kong) Ltd. made individual capital contributions of $950 to the Hong Kong JV. As of December 31, 2018 and 2017, the Company’s ownership position in the Hong Kong JV was 50%. The Company utilizes the equity method of accounting with respect to this investment. On July 7, 2017, the Hong Kong JV purchased the shares of Profeng Australia, Pty Ltd. (“Profeng”), for a total consideration of $1,900. The purchase consists of Profeng Australia, Pty Ltd Trustee and Profeng Australia Unit Trust. Both Trust and Trustee were previously owned by Huifeng via its wholly owned subsidiary Huifeng (Hong Kong) Ltd. For the years ended December 31, 2018 and 2017, the Company recognized a loss and an income of ($427) and $128, respectively, as a result of the Company’s ownership position in the Hong Kong JV. There was no loss or income recognized in 2016. At December 31, 2018 and 2017, the carrying value of the Company’s investment in the Hong Kong JV was $722 and $1,078, respectively.