Subsequent Events	6 Months Ended
Jun. 30, 2011
Subsequent Events [Abstract]
Subsequent Events	Note 14. Subsequent Events The Company completed the following transactions subsequent to June 30, 2011. July 6, 2011 Registered Direct Offering On July 6, 2011, the Company completed the issuance and sale in a registered offering of 2,095,560 shares of our common stock and warrants to purchase up to 628,668 shares of our common stock to institutional investors. The securities were sold in units at a price of $3.1675 per unit, with each unit consisting of one share of common stock and a warrant to purchase 0.3 shares of common stock, for an aggregate offering price of $6,637,688 (the “Offering”). Net proceeds from the offering were approximately $6 million. Each Warrant to purchase shares of Common Stock will have an exercise price of $3.13 per share, for total potential additional proceeds to the Company of up to approximately $2 million upon exercise of the Warrants. The Warrants are immediately exercisable for cash or, solely in the absence of an effective registration statement, by net exercise and will expire five years from the date of issuance. The offer and sale of the Common Stock and Warrants (and the shares of Common Stock issuable upon exercise of the warrants) are registered under the Securities Act of 1933 (the “Securities Act”), as amended, on a registration statement on Form S-3 (File No. 333-158402). July 25, 2011 Registered Direct and Private Placement Offerings On July 25, 2011, the Company completed a registered offering of 3,047,682 shares of its common stock and warrants (the “RD Warrants”) to purchase up to 914,305 shares of its common stock. The common stock and the warrants were sold in units at a price of $4.2575 per unit, with each unit consisting of one share of the Company's common stock and a warrant to purchase 0.30 shares of the Company's common stock, for an aggregate registered offering price of $12,975,506 (the “Registered Offering”). The offer and sale of the Company's common stock issued in the Registered Offering and the shares of common stock issuable upon exercise of the warrants issued in the Registered Offering are registered under the Securities Act of 1933, as amended (the “Securities Act”), on a registration statement on Form S-3 (File No. 333-158402), as supplemented and amended by the prospectus supplement filed with the Securities and Exchange Commission on July 25, 2011. On July 20, 2011, the Company entered into a Purchase Agreement (the “Private Placement Purchase Agreement” and, together with the Registered Direct Purchase Agreement, the “Agreements”) under which the Company agreed to enter into a private placement with other accredited institutional investors, a member of the Company's Board of Directors, and an accredited institutional investor affiliated another member of the Company's Board of Directors (collectively, the “Private Offering Purchasers”). Pursuant to the Private Placement Purchase Agreement, the Company issued 1,281,031 shares of its common stock and warrants (the “Private Placement Warrants”) to purchase up to 512,412 shares of its common stock. The Private Placement Purchase Agreement provided that the securities will be sold in units at a price of $4.27 per unit, with each unit consisting of one share of the Company's common stock and a warrant to purchase 0.40 shares of the Company's common stock, for an aggregate private offering price of $5,469,998 (the “Private Offering,” collectively with the Registered Offering, the “Offerings”). In the Offerings, each warrant to purchase shares of the Company's common stock will have an exercise price of $4.22 per share, for total potential additional proceeds to the Company of up to approximately $6 million upon exercise of the warrants. The warrants in the Offerings are immediately exercisable for cash or, solely in the absence of an effective registration statement, by net exercise and will expire five years from the date of issuance. Concurrent with the issuance and sale of the Private Offering common stock and warrants, the Company also entered into a Registration Rights Agreement with the Private Offering Purchasers (the “Registration Rights Agreement”) that requires the Company to file a registration statement within 30 days of the closing date on July 25, 2011 with the Securities and Exchange Commission covering the resale by the Private Offering Purchasers of the common stock issued in the Private Offering and the shares of common stock issuable upon exercise of the warrants issued in the Private Offering. The purchase and issuance of securities in the Offerings were completed on July 25, 2011. Net proceeds from the Registered Offering and the Private Placement Offering aggregated approximately $17 million. Relocation of Corporate Offices On July 21, 2011, the Company executed a lease (the “Lease”) with Brandywine Operating Partnership, L.P., a Delaware limited partnership for a 10,870 square foot premises located in Lawrenceville, New Jersey. The Company secured the Lawrenceville Premises in order to relocate its functions currently located in Columbia, Maryland, including its corporate headquarters. The 66-month lease is contingent upon receiving a Business Employment Incentive Program (BEIP) grant from the New Jersey Economic Development Authority. BEIP grants are available to economically viable expanding or relocating businesses that create jobs in New Jersey.

Note 14. Subsequent Events

The Company completed the following transactions subsequent to June 30, 2011.

July 6, 2011 Registered Direct Offering

On July 6, 2011, the Company completed the issuance and sale in a registered offering of 2,095,560 shares of our common stock and warrants to purchase up to 628,668 shares of our common stock to institutional investors. The securities were sold in units at a price of $3.1675 per unit, with each unit consisting of one share of common stock and a warrant to purchase 0.3 shares of common stock, for an aggregate offering price of $6,637,688 (the “Offering”). Net proceeds from the offering were approximately $6 million.

Each Warrant to purchase shares of Common Stock will have an exercise price of $3.13 per share, for total potential additional proceeds to the Company of up to approximately $2 million upon exercise of the Warrants. The Warrants are immediately exercisable for cash or, solely in the absence of an effective registration statement, by net exercise and will expire five years from the date of issuance.

The offer and sale of the Common Stock and Warrants (and the shares of Common Stock issuable upon exercise of the warrants) are registered under the Securities Act of 1933 (the “Securities Act”), as amended, on a registration statement on Form S-3 (File No. 333-158402).

July 25, 2011 Registered Direct and Private Placement Offerings

On July 25, 2011, the Company completed a registered offering of 3,047,682 shares of its common stock and warrants (the “RD Warrants”) to purchase up to 914,305 shares of its common stock. The common stock and the warrants were sold in units at a price of $4.2575 per unit, with each unit consisting of one share of the Company's common stock and a warrant to purchase 0.30 shares of the Company's common stock, for an aggregate registered offering price of $12,975,506 (the “Registered Offering”).

The offer and sale of the Company's common stock issued in the Registered Offering and the shares of common stock issuable upon exercise of the warrants issued in the Registered Offering are registered under the Securities Act of 1933, as amended (the “Securities Act”), on a registration statement on Form S-3 (File No. 333-158402), as supplemented and amended by the prospectus supplement filed with the Securities and Exchange Commission on July 25, 2011.

On July 20, 2011, the Company entered into a Purchase Agreement (the “Private Placement Purchase Agreement” and, together with the Registered Direct Purchase Agreement, the “Agreements”) under which the Company agreed to enter into a private placement with other accredited institutional investors, a member of the Company's Board of Directors, and an accredited institutional investor affiliated another member of the Company's Board of Directors (collectively, the “Private Offering Purchasers”). Pursuant to the Private Placement Purchase Agreement, the Company issued 1,281,031 shares of its common stock and warrants (the “Private Placement Warrants”) to purchase up to 512,412 shares of its common stock. The Private Placement Purchase Agreement provided that the securities will be sold in units at a price of $4.27 per unit, with each unit consisting of one share of the Company's common stock and a warrant to purchase 0.40 shares of the Company's common stock, for an aggregate private offering price of $5,469,998 (the “Private Offering,” collectively with the Registered Offering, the “Offerings”).

In the Offerings, each warrant to purchase shares of the Company's common stock will have an exercise price of $4.22 per share, for total potential additional proceeds to the Company of up to approximately $6 million upon exercise of the warrants. The warrants in the Offerings are immediately exercisable for cash or, solely in the absence of an effective registration statement, by net exercise and will expire five years from the date of issuance.

Concurrent with the issuance and sale of the Private Offering common stock and warrants, the Company also entered into a Registration Rights Agreement with the Private Offering Purchasers (the “Registration Rights Agreement”) that requires the Company to file a registration statement within 30 days of the closing date on July 25, 2011 with the Securities and Exchange Commission covering the resale by the Private Offering Purchasers of the common stock issued in the Private Offering and the shares of common stock issuable upon exercise of the warrants issued in the Private Offering.

The purchase and issuance of securities in the Offerings were completed on July 25, 2011. Net proceeds from the Registered Offering and the Private Placement Offering aggregated approximately $17 million.

Relocation of Corporate Offices

On July 21, 2011, the Company executed a lease (the “Lease”) with Brandywine Operating Partnership, L.P., a Delaware limited partnership for a 10,870 square foot premises located in Lawrenceville, New Jersey. The Company secured the Lawrenceville Premises in order to relocate its functions currently located in Columbia, Maryland, including its corporate headquarters. The 66-month lease is contingent upon receiving a Business Employment Incentive Program (BEIP) grant from the New Jersey Economic Development Authority. BEIP grants are available to economically viable expanding or relocating businesses that create jobs in New Jersey.