As of June 30, 2012 5% would be exactly 17,850,554 shares.
From the filings...
Class A Common stock, $0.001 par value: 440,000,000 shares authorized; 335,620,287 and 206,804,004 issued and outstanding at June 30, 2012 and December 31, 2011, respectively
Common stock subscribed, not issued $.001 par value 21,390,801 and 2,200,000 at June 30, 2012 and December 31, 2011, respectively