Restricted Marketable Securities

12 Months Ended

Dec. 31, 2012

Restricted Marketable Securities [Abstract]

Restricted Marketable Securities

2. Restricted Marketable Securities

Under the terms of the Amended and Restated License Agreement with the President and Fellows of Harvard College (“Harvard”) entered into on July 31, 2012, the Company had an obligation to transfer 15,000 shares of the Navidea stock received from the Navidea sublicense agreement to Harvard. The market value of the shares on December 31, 2012 was $42,450. The Company completed the transfer of the 15,000 shares of NAVB common stock to Harvard during January 2013.