Credit Facility and Convertible Notes	12 Months Ended
Dec. 31, 2011
Debt Disclosure [Abstract]
Debt Disclosure [Text Block]	Note 13. Credit Facility and Convertible Notes Credit Facility: On April 4, 2011, the Company entered into an Amended and Restated Business Financing Agreement (the “Amended Financing Agreement”) with Bridge Bank N.A. (“Bridge Bank”) which amended and restated its existing credit facility. The Amended Financing Agreement provides a credit facility to the Company of up to $5.0 million which bears interest at the higher of (i) the prime rate plus 2.0% or (ii) 5.25% percent, plus the payment of certain fees and expenses (the “Facility”). The Facility is secured by substantially all the personal property of the Company, including its accounts receivable and intellectual property. Subject to the terms of the Amended Financing Agreement, availability under the Facility is based on a formula pursuant to which Bridge Bank would advance an amount equal to the lower of $5.0 million or 80% of the Company’s eligible accounts receivable, with account eligibility and advance rates determined by Bridge Bank in its sole discretion. The term of the Facility is two years and at the expiration of such term, all loan advances under the Facility will become immediately due and payable. At December 31, 2011 and 2010, the Company had no outstanding borrowings under this facility. Convertible Notes: On October 26, 2009, the Company exchanged approximately $10.0 million aggregate principal amount of its unsecured Convertible Notes due September 30, 2010 for an equal principal amount of 5.45% Unsecured Convertible Notes due September 30, 2011 (“2011 Notes”). The 2011 Notes were convertible at the option of the holder, at any time on or prior to maturity at an initial conversion ratio of 138.8888 shares per $1,000 principal amount. As of September 30, 2011, the principal amount of these notes would be equal to the value of the common stock into which the 2011 Notes could be converted if the Company’s stock price were $7.20. If a holder of the 2011 Notes converted their notes in connection with a corporate transaction that constituted a change in control, as defined therein, at any time prior to July 6, 2011, then in addition to the conversion shares, as defined therein, such holder was also entitled to receive upon such conversion a make-whole payment premium in cash. Commencing on October 30, 2009, the 2011 Notes were payable in monthly principal payments of $417,000 plus interest. On September 30, 2011, the Company paid in full its 2011 Notes and as such there was no outstanding balance as of December 31, 2011. As of December 31, 2010, $3.8 million of the 2011 Notes remained outstanding, which amount was classified as short-term.

Credit Facility and Convertible Notes

12 Months Ended

Dec. 31, 2011

Note 13. Credit Facility and Convertible Notes

Credit Facility:

On April 4, 2011, the Company entered into an Amended and Restated Business Financing Agreement (the “Amended Financing Agreement”) with Bridge Bank N.A. (“Bridge Bank”) which amended and restated its existing credit facility. The Amended Financing Agreement provides a credit facility to the Company of up to $5.0 million which bears interest at the higher of (i) the prime rate plus 2.0% or (ii) 5.25% percent, plus the payment of certain fees and expenses (the “Facility”). The Facility is secured by substantially all the personal property of the Company, including its accounts receivable and intellectual property. Subject to the terms of the Amended Financing Agreement, availability under the Facility is based on a formula pursuant to which Bridge Bank would advance an amount equal to the lower of $5.0 million or 80% of the Company’s eligible accounts receivable, with account eligibility and advance rates determined by Bridge Bank in its sole discretion. The term of the Facility is two years and at the expiration of such term, all loan advances under the Facility will become immediately due and payable. At December 31, 2011 and 2010, the Company had no outstanding borrowings under this facility.

Convertible Notes:

On October 26, 2009, the Company exchanged approximately $10.0 million aggregate principal amount of its unsecured Convertible Notes due September 30, 2010 for an equal principal amount of 5.45% Unsecured Convertible Notes due September 30, 2011 (“2011 Notes”). The 2011 Notes were convertible at the option of the holder, at any time on or prior to maturity at an initial conversion ratio of 138.8888 shares per $1,000 principal amount. As of September 30, 2011, the principal amount of these notes would be equal to the value of the common stock into which the 2011 Notes could be converted if the Company’s stock price were $7.20. If a holder of the 2011 Notes converted their notes in connection with a corporate transaction that constituted a change in control, as defined therein, at any time prior to July 6, 2011, then in addition to the conversion shares, as defined therein, such holder was also entitled to receive upon such conversion a make-whole payment premium in cash. Commencing on October 30, 2009, the 2011 Notes were payable in monthly principal payments of $417,000 plus interest. On September 30, 2011, the Company paid in full its 2011 Notes and as such there was no outstanding balance as of December 31, 2011. As of December 31, 2010, $3.8 million of the 2011 Notes remained outstanding, which amount was classified as short-term.

- Definition

The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants.

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