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Stock Based Compensation (Details) (USD $)
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3 Months Ended | |
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Mar. 31, 2013
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Mar. 31, 2012
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| Stock-based compensation [Line Items] | ||
| Stock-based compensation expense included in operating expense | $ 77,000 | $ 114,000 |
| Stock options granted (in shares) | 0 | 0 |
| Common stock issued to employees | 29,000 | 302,000 |
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Research and development [Member]
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| Stock-based compensation [Line Items] | ||
| Stock-based compensation expense included in operating expense | 9,000 | 42,000 |
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Selling, general and administrative [Member]
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| Stock-based compensation [Line Items] | ||
| Stock-based compensation expense included in operating expense | $ 68,000 | $ 72,000 |
| X | ||||||||||
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- Definition
Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
Gross number of share options (or share units) granted during the period. No definition available.
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- Definition
Value of stock (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of stock value of such awards forfeited. Stock issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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