Investment In Affiliates	3 Months Ended
Mar. 31, 2013
Investment In Joint Ventures [Abstract]
Investment In Affiliates	Note 4- Investment In Affiliates In July 2011, the Company entered into a joint venture agreement with Safety Hi-Tech S.r.l (“SHT”) and with the principals of Banini-Binotti Associates (“BB”). The joint venture has created a new entity known as Hudson Technologies Europe, S.r.l. (“HTE”). The Company and SHT each own 40% of HTE with BB owning the remaining 20%. HTE’s purpose is to develop a business that provides for refrigerant reclamation, RefrigerantSide® services and energy optimization services throughout most of Europe, the Middle East and North Africa. As of March 31, 2013, the joint venture has begun limited operations. The Company intends to, over time, have each of its offerings that are available in the US made available in each of these geographies through the operations of HTE. As of March 31, 2013, the Company has made an initial investment of $516,000, of which $408,000 represents equipment purchased in prior years, and once the results of operations are deemed material, the Company’s share of the joint venture will be recorded under the equity method. In August 2012, the Company entered into a joint venture agreement with SHT. The joint venture has created a new entity known as Safety Hi-Tech USA, LLC (“USA”). The Company and SHT each own 50% of USA. USA’s purpose is to develop a business that provides fire suppression and suppressants throughout North America and Mexico. As of March 31, 2013, the Company has made an investment of $694,000. As of March 31, 2013, the joint venture has not started operations.

Investment In Affiliates

3 Months Ended

Mar. 31, 2013

Investment In Joint Ventures [Abstract]

Note 4- Investment In Affiliates

In July 2011, the Company entered into a joint venture agreement with Safety Hi-Tech S.r.l (“SHT”) and with the principals of Banini-Binotti Associates (“BB”). The joint venture has created a new entity known as Hudson Technologies Europe, S.r.l. (“HTE”). The Company and SHT each own 40% of HTE with BB owning the remaining 20%. HTE’s purpose is to develop a business that provides for refrigerant reclamation, RefrigerantSide® services and energy optimization services throughout most of Europe, the Middle East and North Africa. As of March 31, 2013, the joint venture has begun limited operations. The Company intends to, over time, have each of its offerings that are available in the US made available in each of these geographies through the operations of HTE. As of March 31, 2013, the Company has made an initial investment of $516,000, of which $408,000 represents equipment purchased in prior years, and once the results of operations are deemed material, the Company’s share of the joint venture will be recorded under the equity method.

In August 2012, the Company entered into a joint venture agreement with SHT. The joint venture has created a new entity known as Safety Hi-Tech USA, LLC (“USA”). The Company and SHT each own 50% of USA. USA’s purpose is to develop a business that provides fire suppression and suppressants throughout North America and Mexico. As of March 31, 2013, the Company has made an investment of $694,000. As of March 31, 2013, the joint venture has not started operations.