Looks like someone connected with the acquisition of DoBox is dumping 213,828 shares of NTPA on the market. This could explain the price drop.
<With this prospectus, the selling stockholders named in the section entitled �Selling Stockholders� of this prospectus may offer and sell shares of our common stock that they acquired in connection with our acquisition of substantially all of the assets of DoBox, Inc. The selling stockholders may sell the shares from time to time through public or private transactions at prevailing market prices, at prices related to prevailing market prices or at privately negotiated prices. We will not receive any proceeds from the sale of the shares offered by this prospectus.>