NEW YORK, NY--(MARKET WIRE)--Aug 9, 2007 -- Daxor Corporation (AMEX:DXR - News), a medical instrumentation and biotechnology company, today announced second quarter earnings for 2007. For the quarter ended June 30, 2007 total operating revenues increased by 40.1 % to $545,318 from $389,322 for the same period in 2006. The major reason for the increase in operating revenues was the sale of three Blood Volume Analyzers in the quarter ended June 30, 2007 versus a sale of one instrument for the quarter ended June 30, 2006. For the quarter ended June 30, 2007 costs and expenses decreased by 7.1% to $ 1,779,579 from $ 1,914,928 in 2006.