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8. Available-for-sale and Equity Securities
12 Months Ended
Dec. 31, 2012
Notes  
8. Available-for-sale and Equity Securities

8.         AVAILABLE-FOR-SALE AND EQUITY SECURITIES

 

 

December 31, 2012

December 31, 2011

Number of shares

 

Type

Security Innovation, Inc.

-

-

223,317

Common stock

Xion Pharmaceutical Corporation

-

-

60

Common stock

 

In prior years, we acquired 3,129,509 shares of NTRU Cryptosystems, Inc. ("NTRU") common stock, and certain preferred stock that later was redeemed, in exchange for cash and a reduction in our future royalty rate on sales of NTRU's products.  NTRU was a privately held company that sold encryption software for security purposes, principally in wireless markets.  There was no public market for NTRU shares.  In 2003, we wrote down the value of NTRU to $0, but we continued to own the shares. On July 22, 2009, all NTRU assets were acquired by Security Innovation, an independent provider of secure software located in Wilmington, MA. We received 223,317 shares of stock in the privately held Security Innovation for our shares of NTRU.

 

In September 2009 we announced the formation of a joint venture with Xion Corporation for the commercialization of our patented melanocortin analogues for treating sexual dysfunction and obesity.  We received 60 shares of privately held Xion Pharmaceutical Corporation common stock in June 2010.  CTTC currently owns 30% of the outstanding stock of Xion Pharmaceutical Corporation.