This is the important part: The warrant holder is prohibited from exercising any of the warrants as long as we are in compliance with the agreement. Additionally, the warrant holder is prohibited from purchasing any shares of our common stock on the open market during any ?pricing month? defined in the agreement as the calendar month immediately preceding the calendar month in which we deliver the redemption notice to the warrant holder. On August 1, 2007, we agreed to redeem 2,000,000 warrants for $921,855 and payment for the redemption occurred in August 2007 .