. . . "Historically, our losses have resulted principally from costs incurred in the research and development of our polymer technology, and selling, general and administrative expenses, which together were $958,930 and $1,871,677 for the three and six month periods ended June 30, 2012 and $1,046,629 and $2,075,878 for the three and six month periods ended June 30, 2011." .