NOTE 4 — SHORT-TERM INVESTMENTS
Cash in excess of funds required for immediate use by the Company have been invested with the
primary goal to preserve capital. As such, the funds are invested in short-term, high-quality,
fixed-income securities and are accounted for at fair value. As of June 30, 2011 and December 31,
2010, the fair value of these investments was $31,247 and $18,801 respectively, and was included in
short-term investments on the Balance Sheet. An unrealized loss of $343 and $526 was recorded for
the three and six months ending June 30, 2011.