15. Subsequent Events

Robert Dilworth

On April 12, 2012, we entered into a separation agreement and a release with Robert Dilworth in connection with Mr. Dilworth's resignation as our Chief Executive Officer and as a member of our board of directors. Subject to the terms of the separation agreement, effective April 20, 2012 (the "Release Effective Date") we paid or provided Mr. Dilworth the following:

On the Release Effective Date, Mr. Dilworth's outstanding options became fully vested and exercisable and will remain exercisable until the earlier of (i) the expiration dates of each of such options or (ii) the date that is 30 months after the Release Effective Date. The number of shares of common stock issuable upon exercise of such outstanding options is 2,000,000.

On the Release Effective Date, Mr. Dilworth was granted an option to purchase 500,000 shares of common stock at an exercise price of $0.20 per share. Such option has a term of 30 months from the date of grant and will vest and become exercisable at a rate of 62,500 shares per quarter commencing on July 1, 2012.

·	From May 2012 through April 2013, Mr. Dilworth will be paid $27,268 per month. From May 2013 through April 2014, Mr. Dilworth will be paid $13,634 per month.

·	For a period of 18 months, we will pay the premium costs to continue medical coverage for Mr. Dilworth and his spouse under the Employment Retirement Income Security Act of 1974.

·	We paid Mr. Dilworth $15,000 as reimbursement for a portion of his legal fees in connection with negotiation of the separation agreement and the release.

Mr. Dilworth's participation in the Key Employee Severance Plan and the Director Severance Plan was automatically terminated on the Release Effective Date. In addition, the separation agreement contains confidentiality and non-disparagement provisions subject to the terms set forth therein. Pursuant to the terms of the release, Mr. Dilworth provided as of the Release Effective Date a release of claims in connection with his employment and resignation. As a result of the separation agreement, we expect to incur additional operating expenses in the three-month period ended June 30, 2012.