SG & A expenses in the nine months ended September 30 , 2009 were $ 3.7 million , a decrease of $ 3.3 million , or 47 % , compared with SG & A expenses of $ 7.1 million for the comparable period in 2008 . The decrease was primarily due to a $ 1.6 million decrease in personnel costs , a $ 0.3 million decrease related to share-based compensation expense , a $ 0.6 million decrease in legal and professional services , a $ 0.1 million decrease in market research expenses , a $ 0.3 million decrease in travel expenses , a $ 0.2 million decrease in consulting , Sarbanes-Oxley compliance and recruiting services , and a $ 0.1 million decrease in insurance related expenses .