Patents, Trademark Rights and Other Intangibles	12 Months Ended
Dec. 31, 2011
Patents, Trademark Rights and Other Intangibles
Patents, Trademark Rights and Other Intangibles	(7) Patents, Trademark Rights and Other Intangibles (FASB ASC 350-30 General Intangibles Other than Goodwill) During the years ended December 31, 2011, 2010 and 2009, the Company decided not to pursue certain patents in various countries for strategic reasons and recorded abandonment charges of $147,000, $198,000 and $228,000 respectively, which are included in research and development. Amortization expense was $17,000, $176,000 and $153,000 in 2011, 2010 and 2009, respectively. The total cost of the patents was $967,000 and $1,100,000 as of December 31, 2011 and 2010, respectively. The accumulated amortization as of December 31, 2011 and 2010 is $104,000 and $306,000, respectively. In 2011, additions to patent costs were $234,000 and adjustments for fully amortized and abandoned patents had costs of $367,000 and accumulated amortization of $220,000. In 2010, additions to patent costs for patent maintenance were $337,000 and adjustments for fully amortized and abandoned patents had costs of $1,052,000 and accumulated amortization of $854,000. Amortization of patents and trademarks for each of the next five years is as follows: 2012 - $17,000; 2013 - $17,000; 2014 – $17,000; 2015 - $17,000; and 2016 - $17,000.

(7) Patents, Trademark Rights and Other Intangibles (FASB ASC 350-30 General Intangibles Other than Goodwill)

During the years ended December 31, 2011, 2010 and 2009, the Company decided not to pursue certain patents in various countries for strategic reasons and recorded abandonment charges of $147,000, $198,000 and $228,000 respectively, which are included in research and development. Amortization expense was $17,000, $176,000 and $153,000 in 2011, 2010 and 2009, respectively. The total cost of the patents was $967,000 and $1,100,000 as of December 31, 2011 and 2010, respectively. The accumulated amortization as of December 31, 2011 and 2010 is $104,000 and $306,000, respectively. In 2011, additions to patent costs were $234,000 and adjustments for fully amortized and abandoned patents had costs of $367,000 and accumulated amortization of $220,000. In 2010, additions to patent costs for patent maintenance were $337,000 and adjustments for fully amortized and abandoned patents had costs of $1,052,000 and accumulated amortization of $854,000.

Amortization of patents and trademarks for each of the next five years is as follows: 2012 - $17,000; 2013 - $17,000; 2014 – $17,000; 2015 - $17,000; and 2016 - $17,000.