Marketable Securities	12 Months Ended
Dec. 31, 2013
Marketable Securities	3. Marketable Securities The Company has classified its marketable securities as available-for-sale and, accordingly, carries such securities at fair value. At December 31, 2013, the Company had no marketable securities. At December 31, 2012, all of the Company’s marketable securities consisted of United States government or agency securities, all of which matured within 12 months. At December 31, 2012, the aggregate fair value and amortized cost of the Company’s marketable securities were $45,035,000 and $45,015,000, respectively. Gross unrealized gains were $20,000 at December 31, 2012 and are included in accumulated other comprehensive income (loss) in the consolidated balance sheets.

Marketable Securities

12 Months Ended

Dec. 31, 2013

3. Marketable Securities

The Company has classified its marketable securities as available-for-sale and, accordingly, carries such securities at fair value.

At December 31, 2013, the Company had no marketable securities.

At December 31, 2012, all of the Company’s marketable securities consisted of United States government or agency securities, all of which matured within 12 months. At December 31, 2012, the aggregate fair value and amortized cost of the Company’s marketable securities were $45,035,000 and $45,015,000, respectively. Gross unrealized gains were $20,000 at December 31, 2012 and are included in accumulated other comprehensive income (loss) in the consolidated balance sheets.