v2.4.0.8

Cash and Cash Equivalents, Short-term Investments and Fair Value of Financial Instruments (Tables) | 9 Months Ended
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Sep. 30, 2013
Cash and Cash Equivalents [Abstract] |
Schedule of Cash, Cash Equivalents and Short-term Investments [Table Text Block] | Cash and cash equivalents consist of the following significant investment asset classes, with disclosure of amortized cost, gross unrealized gains and losses and fair value as of September 30, 2013 and December 31, 2012 (in thousands):
| September 30, 2013 |
| Amortized Cost |  | Unrealized Gains |  | Unrealized Losses |  | Fair Value |  | Cash / Cash Equivalents |  | Security Classification
Cash | $ | 51,415 |  |  | $ | — |  |  | $ | — |  |  | $ | 51,415 |  |  | $ | 51,415 |  |  | N/A
Money market fund | 64,775 |  |  | — |  |  | — |  |  | 64,775 |  |  | 64,775 |  |  | Available for sale
Total cash and cash equivalents | $ | 116,190 |  |  | $ | — |  |  | $ | — |  |  | $ | 116,190 |  |  | $ | 116,190 |  |  |
c | December 31, 2012 |
| Amortized Cost |  | Unrealized Gains |  | Unrealized Losses |  | Fair Value |  | Cash / Cash Equivalents |  | Security Classification
Cash | $ | 23,422 |  |  | $ | — |  |  | $ | — |  |  | $ | 23,422 |  |  | $ | 23,422 |  |  | N/A
Money market fund | 38,892 |  |  | — |  |  | 1 |  |  | 38,891 |  |  | 38,891 |  |  | Available for sale
Total cash and cash equivalents | $ | 62,314 |  |  | $ | — |  |  | $ | 1 |  |  | $ | 62,313 |  |  | $ | 62,313 |  |  |
Fair Value, Assets Measured on Recurring Basis [Table Text Block] |
| Quoted Prices in Active Markets for Identical Instruments (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3) |  | Total Fair Value
At September 30, 2013 |  |  |  |  |  |  |  |  |  |  |
Money market fund | $ | 64,775 |  |  | $ | — |  |  | $ | — |  |  | $ | 64,775 |
Total | $ | 64,775 |  |  | $ | — |  |  | $ | — |  |  | $ | 64,775 |
At December 31, 2012 |  |  |  |  |  |  |  |  |  |  |
Money market fund | $ | 38,891 |  |  | $ | — |  |  | $ | — |  |  | $ | 38,891 |
Total | $ | 38,891 |  |  | $ | — |  |  | $ | — |  |  | $ | 38,891 |

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- Definition Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19190-110258 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 6 -Footnote 4 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition Tabular disclosure of the components of cash, cash equivalents, and short-term investments. Short-term investments may include current marketable securities. + References No definition available. + Details
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