Net income attributable to common shareholders increased 52 % to $ 2,550,158 , or $ 0.18 per diluted share , in the three months ended March 31 , 2009 , compared with net income of $ 1,673,867 , or $ 0.12 per diluted share , in the quarter ended March 31 , 2008 . The improvement in net income during the most recent quarter reflects higher gross profits for all three business segments .