Subsequent Events	12 Months Ended
Dec. 31, 2011
Subsequent Events [Abstract]
Subsequent Events [Text Block]	Note 19. Subsequent Events On February 10, 2012, the Company entered into an At Market Issuance Sales Agreement (the “Agreement”) with MLV & Co. LLC (“MLV”), pursuant to which the Company may issue and sell shares of its common stock, $0.001 par value per share, having an aggregate offering price of up to $10,000,000 (the “Shares”) from time to time through MLV (the “Offering”). Also on February 10, 2012, the Company filed a prospectus supplement with the Securities and Exchange Commission in connection with the Offering (the “Prospectus Supplement”). The shares of common stock to be sold under the Agreement are registered pursuant to an effective shelf Registration Statement on Form S-3 (Registration No. 333-162609) and the Prospectus Supplement. Upon delivery of a placement notice and subject to the terms and conditions of the Agreement, MLV may sell the common stock by methods deemed to be an “at-the-market” offering as defined in Rule 415 promulgated under the Securities Act of 1933, as amended (the “Securities Act”), including sales made directly on The NASDAQ Capital Market, on any other existing trading market for the common stock or to or through a market maker. With the Company’s prior written approval, MLV may also sell the common stock by any other method permitted by law, including in privately negotiated transactions. The Company or MLV may suspend or terminate the offering of common stock upon notice and subject to other conditions. Unless otherwise terminated pursuant to the terms of the Agreement, the Agreement automatically terminates upon the earlier to occur of the three-year anniversary of the date hereof, or the issuance and sale of all of the Shares. MLV will act as sales agent on a commercially reasonable best efforts basis consistent with its normal trading and sales practices and applicable state and federal laws, rules and regulations and the rules of NASDAQ. The Company agreed to pay MLV a commission equal to 3.0% of the gross sales price per share sold and provide indemnification and contribution to MLV against certain civil liabilities, including liabilities under the Securities Act.

Subsequent Events

12 Months Ended

Dec. 31, 2011

Note 19. Subsequent Events

On February 10, 2012, the Company entered into an At Market Issuance Sales Agreement (the “Agreement”) with MLV & Co. LLC (“MLV”), pursuant to which the Company may issue and sell shares of its common stock, $0.001 par value per share, having an aggregate offering price of up to $10,000,000 (the “Shares”) from time to time through MLV (the “Offering”). Also on February 10, 2012, the Company filed a prospectus supplement with the Securities and Exchange Commission in connection with the Offering (the “Prospectus Supplement”). The shares of common stock to be sold under the Agreement are registered pursuant to an effective shelf Registration Statement on Form S-3 (Registration No. 333-162609) and the Prospectus Supplement.

Upon delivery of a placement notice and subject to the terms and conditions of the Agreement, MLV may sell the common stock by methods deemed to be an “at-the-market” offering as defined in Rule 415 promulgated under the Securities Act of 1933, as amended (the “Securities Act”), including sales made directly on The NASDAQ Capital Market, on any other existing trading market for the common stock or to or through a market maker. With the Company’s prior written approval, MLV may also sell the common stock by any other method permitted by law, including in privately negotiated transactions. The Company or MLV may suspend or terminate the offering of common stock upon notice and subject to other conditions. Unless otherwise terminated pursuant to the terms of the Agreement, the Agreement automatically terminates upon the earlier to occur of the three-year anniversary of the date hereof, or the issuance and sale of all of the Shares. MLV will act as sales agent on a commercially reasonable best efforts basis consistent with its normal trading and sales practices and applicable state and federal laws, rules and regulations and the rules of NASDAQ.

The Company agreed to pay MLV a commission equal to 3.0% of the gross sales price per share sold and provide indemnification and contribution to MLV against certain civil liabilities, including liabilities under the Securities Act.