Short-term Investments

3 Months Ended

Mar. 31, 2013

Short-term Investments [Abstract]

Short-term Investments

3.  Short-term Investments

The Company held $21.0 million of short-term investments at March 31, 2013.  The Company has classified these investments as available for sale.  These investments are comprised of federally insured certificates of deposit as follows: $4.0 million with a maturity date of May 2, 2013; and $17.0 million with a maturity date of October 31, 2013.