v2.4.1.9

Fair Value of Financial Instruments (Tables) | 12 Months Ended
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Dec. 31, 2014
Fair Value Disclosures [Abstract] |
Schedule of Cash and Cash Equivalents, Available-for-sale Securities Reconciliation | The Company's cash and cash equivalents, short-term investments, and long-term investments consist of the following:
|  | December 31, 2014
|  | Amortized Cost |  | Unrealized Gains |  | Unrealized Losses |  | Fair Value
|  | (in thousands)
Cash and cash equivalents: |  |  |  |  |  |  |  |
Cash |  | $ | 36,024 |  |  | $ | — |  |  | $ | — |  |  | $ | 36,024 |
Money market funds |  | 39,180 |  |  | — |  |  | — |  |  | 39,180 |
U.S. government agencies |  | 300 |  |  | — |  |  | — |  |  | 300 |
Commercial paper |  | 1,000 |  |  | — |  |  | — |  |  | 1,000 |
Total |  | 76,504 |  |  | — |  |  | — |  |  | 76,504 |
Short-term investments: |  |  |  |  |  |  |  |
Commercial paper |  | 4,998 |  |  | 1 |  |  | — |  |  | 4,999 |
Corporate bonds |  | 12,438 |  |  | 6 |  |  | (6 | ) |  | 12,438 |
U.S. government agencies |  | 33,280 |  |  | 3 |  |  | (6 | ) |  | 33,277 |
Total |  | 50,716 |  |  | 10 |  |  | (12 | ) |  | 50,714 |
Long-term investments: |  |  |  |  |  |  |  |
Asset-backed securities |  | 16,092 |  |  | 5 |  |  | (3 | ) |  | 16,094 |
U.S. government agencies |  | 20,243 |  |  | 22 |  |  | (10 | ) |  | 20,255 |
Corporate bonds |  | 3,101 |  |  | — |  |  | (2 | ) |  | 3,099 |
Total |  | 39,436 |  |  | 27 |  |  | (15 | ) |  | 39,448 |
Total |  | $ | 166,656 |  |  | $ | 37 |  |  | $ | (27 | ) |  | $ | 166,666 |
|  | December 31, 2013
|  | Amortized Cost |  | Unrealized Gains |  | Unrealized Losses |  | Fair Value
|  | (in thousands)
Cash and cash equivalents: |  |  |  |  |  |  |  |
Cash |  | $ | 27,488 |  |  | $ | — |  |  | $ | — |  |  | $ | 27,488 |
Money market funds |  | 183 |  |  | — |  |  | — |  |  | 183 |
Commercial paper |  | 14,697 |  |  | 1 |  |  | — |  |  | 14,698 |
Total |  | 42,368 |  |  | 1 |  |  | — |  |  | 42,369 |
Short-term investments: |  |  |  |  |  |  |  |
Commercial paper |  | 32,784 |  |  | 6 |  |  | — |  |  | 32,790 |
Corporate bonds |  | 16,894 |  |  | 11 |  |  | — |  |  | 16,905 |
Municipal bonds |  | 1,128 |  |  | — |  |  | — |  |  | 1,128 |
U.S. government agencies |  | 4,004 |  |  | — |  |  | — |  |  | 4,004 |
Total |  | 54,810 |  |  | 17 |  |  | — |  |  | 54,827 |
Long-term investments: |  |  |  |  |  |  |  |
Asset-backed securities |  | 5,497 |  |  | 4 |  |  | — |  |  | 5,501 |
U.S. government agencies |  | 14,835 |  |  | 1 |  |  | (3 | ) |  | 14,833 |
Corporate bonds |  | 15,256 |  |  | 22 |  |  | (4 | ) |  | 15,274 |
Total |  | 35,588 |  |  | 27 |  |  | (7 | ) |  | 35,608 |
Total |  | $ | 132,766 |  |  | $ | 45 |  |  | $ | (7 | ) |  | $ | 132,804 |
Schedule of Assets Measured on Recurring Basis | The following table sets forth by level within the fair value hierarchy the fair value of the Company's available-for-sale securities measured on a recurring basis, excluding cash and money market funds:
|  | December 31, 2014
|  | Level 1 |  | Level 2 |  | Level 3 |  | Fair Value
|  | (in thousands)
Commercial paper |  | $ | — |  |  | $ | 5,999 |  |  | $ | — |  |  | $ | 5,999 |
U.S. government agencies |  | — |  |  | 53,832 |  |  | — |  |  | 53,832 |
Corporate bonds |  | — |  |  | 15,537 |  |  | — |  |  | 15,537 |
Asset-backed securities |  | — |  |  | 16,094 |  |  | — |  |  | 16,094 |
Total |  | $ | — |  |  | $ | 91,462 |  |  | $ | — |  |  | $ | 91,462 |
|  | December 31, 2013
|  | Level 1 |  | Level 2 |  | Level 3 |  | Fair Value
|  | (in thousands)
Commercial paper |  | $ | — |  |  | $ | 47,488 |  |  | $ | — |  |  | $ | 47,488 |
U.S. government agencies |  | — |  |  | 18,837 |  |  | — |  |  | 18,837 |
Municipal bonds |  | — |  |  | 1,128 |  |  | — |  |  | 1,128 |
Corporate bonds |  | — |  |  | 32,179 |  |  | — |  |  | 32,179 |
Asset-backed securities |  | — |  |  | 5,501 |  |  | — |  |  | 5,501 |
Total |  | $ | — |  |  | $ | 105,133 |  |  | $ | — |  |  | $ | 105,133 |
Schedule of Investments Classified by Contractual Maturity | The following summarizes the fair value of securities classified as available-for-sale by contractual maturity:
|  | December 31, 2014
|  | Mature within One Year |  | After One Year through Two Years |  | Over Two Years |  | Fair Value
|  | (in thousands)
Commercial paper |  | $ | 5,999 |  |  | $ | — |  |  | $ | — |  |  | $ | 5,999 |
U.S. government agencies |  | 33,577 |  |  | 20,255 |  |  | — |  |  | 53,832 |
Corporate bonds |  | 12,438 |  |  | 3,099 |  |  | — |  |  | 15,537 |
Asset-backed securities |  | — |  |  | 7,327 |  |  | 8,767 |  |  | 16,094 |
Total |  | $ | 52,014 |  |  | $ | 30,681 |  |  | $ | 8,767 |  |  | $ | 91,462 |
|  | December 31, 2013
|  | Mature within One Year |  | After One Year through Two Years |  | Over Two Years |  | Fair Value
|  | (in thousands)
Commercial paper |  | $ | 47,488 |  |  | $ | — |  |  | $ | — |  |  | $ | 47,488 |
U.S. government agencies |  | 4,004 |  |  | 14,833 |  |  | — |  |  | 18,837 |
Municipal bonds |  | 1,128 |  |  | — |  |  | — |  |  | 1,128 |
Corporate bonds |  | 16,905 |  |  | 15,274 |  |  | — |  |  | 32,179 |
Asset-backed securities |  | — |  |  | — |  |  | 5,501 |  |  | 5,501 |
Total |  | $ | 69,525 |  |  | $ | 30,107 |  |  | $ | 5,501 |  |  | $ | 105,133 |

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- Definition Tabular disclosure of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cost basis, contracts to acquire securities to be accounted for as available-for-sale, debt maturities, transfers to trading, change in net unrealized holding gain (loss) net of tax, continuous unrealized loss position fair value, aggregate losses qualitative disclosures, other than temporary impairment (OTTI) losses or other disclosures related to available for sale securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27290-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27357-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27337-111563 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6957658&loc=d3e62557-112803 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27198-111563 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6957658&loc=d3e62586-112803 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27161-111563 + Details
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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 Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19190-110258 Reference 2: 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=25499696&loc=d3e19207-110258 + Details
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