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Investments and Fair Value Measurements (Tables) | 9 Months Ended
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Sep. 30, 2016
Investments and Fair Value Measurements |
Cash, cash equivalents and investments | As of September 30, 2016 and December 31, 2015, our cash, cash equivalents and investments are classified as follows (in thousands):
|  | September 30, 2016 |  | December 31, 2015 |
|  |  |  |  | Gross |  | Gross |  |  |  |  |  |  |  | Gross |  | Gross |  |  |  |
|  | Amortized |  | Unrealized |  | Unrealized |  | Fair |  | Amortized |  | Unrealized |  | Unrealized |  | Fair |
|  | Cost |  | Gain |  | (Loss) |  | Value |  | Cost |  | Gain |  | (Loss) |  | Value |
Classified as: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash |  | $ | 16,957 |  | $ | — |  | $ | — |  | $ | 16,957 |  | $ | 10,289 |  | $ | — |  | $ | — |  | $ | 10,289 |
Cash equivalents: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Certificates of deposit 1 |  |  | 12,704 |  |  | — |  |  | — |  |  | 12,704 |  |  | 14,586 |  |  | — |  |  | — |  |  | 14,586 |
Total cash and cash equivalents |  |  | 29,661 |  |  | — |  |  | — |  |  | 29,661 |  |  | 24,875 |  |  | — |  |  | — |  |  | 24,875 |
Investments (available for sale): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Certificates of deposit 2 |  |  | 9,047 |  |  | 2 |  |  | (9) |  |  | 9,040 |  |  | 9,795 |  |  | 1 |  |  | (13) |  |  | 9,783 |
Corporate bonds |  |  | 8,488 |  |  | — |  |  | (24) |  |  | 8,464 |  |  | 8,776 |  |  | — |  |  | (63) |  |  | 8,713 |
Corporate equity securities |  |  | 48 |  |  | 135 |  |  | — |  |  | 183 |  |  | 200 |  |  | 432 |  |  | — |  |  | 632 |
Total investments |  |  | 17,583 |  |  | 137 |  |  | (33) |  |  | 17,687 |  |  | 18,771 |  |  | 433 |  |  | (76) |  |  | 19,128 |
Total cash, cash equivalents and investments |  | $ | 47,244 |  | $ | 137 |  | $ | (33) |  | $ | 47,348 |  | $ | 43,646 |  | $ | 433 |  | $ | (76) |  | $ | 44,003 |
Contractual maturities on investments: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Due within 1 year |  | $ | 9,436 |  |  |  |  |  |  |  | $ | 9,563 |  | $ | 11,022 |  |  |  |  |  |  |  | $ | 11,437 |
Due after 1 through 5 years |  |  | 8,147 |  |  |  |  |  |  |  |  | 8,124 |  |  | 7,749 |  |  |  |  |  |  |  |  | 7,691 |
|  | $ | 17,583 |  |  |  |  |  |  |  | $ | 17,687 |  | $ | 18,771 |  |  |  |  |  |  |  | $ | 19,128 |
| 1. |  | Certificate of deposit with original maturities of less than 90 days.
| 2. |  | Certificate of deposit with original maturities of more than 90 days.
Fair value and gross unrealized losses related to available-for-sale securities | The following table summarizes the fair value and gross unrealized losses related to available-for-sale securities, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position as of September 30, 2016 (in thousands):
|  | In Loss Position |  | In Loss Position |  | Total In |
|  | < 12 months |  | > 12 months |  | Loss Position |
|  |  |  |  | Gross |  |  |  |  | Gross |  |  |  |  | Gross |
|  | Fair |  | Unrealized |  | Fair |  | Unrealized |  | Fair |  | Unrealized |
As of September 30, 2016 |  | Value |  | (Losses) |  | Value |  | (Losses) |  | Value |  | (Losses) |
Investments: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Certificates of deposit |  | $ | 3,541 |  | $ | (9) |  | $ | 1,440 |  | $ | — |  | $ | 4,981 |  | $ | (9) |
Corporate bonds |  |  | 5,060 |  |  | (17) |  |  | 3,404 |  |  | (7) |  |  | 8,464 |  |  | (24) |
Total in loss position |  | $ | 8,601 |  | $ | (26) |  | $ | 4,844 |  | $ | (7) |  | $ | 13,445 |  | $ | (33) |
The following table summarizes the fair value and gross unrealized losses related to available-for-sale securities, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position as of December 31, 2015 (in thousands):
|  | In Loss Position |  | In Loss Position |  | Total In |
|  | < 12 months |  | > 12 months |  | Loss Position |
|  |  |  |  | Gross |  |  |  |  | Gross |  |  |  |  | Gross |
|  | Fair |  | Unrealized |  | Fair |  | Unrealized |  | Fair |  | Unrealized |
As of December 31, 2015 |  | Value |  | (Loss) |  | Value |  | (Loss) |  | Value |  | (Loss) |
Investments: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Certificates of deposit |  | $ | 4,509 |  | $ | (11) |  | $ | 3,543 |  | $ | (2) |  | $ | 8,052 |  | $ | (13) |
Corporate bonds |  |  | 6,866 |  |  | (56) |  |  | 1,847 |  |  | (7) |  |  | 8,713 |  |  | (63) |
Total in loss position |  | $ | 11,375 |  | $ | (67) |  | $ | 5,390 |  | $ | (9) |  | $ | 16,765 |  | $ | (76) |
Summary of financial assets and liabilities measured at fair value on a recurring basis | The following table summarizes our financial assets and liabilities measured at fair value on a recurring basis in accordance with ASC 820 as of September 30, 2016 (in thousands):
|  |  |  |  | Quoted Prices in |  |  |  |  | Significant |
|  |  |  |  | Active Markets of |  | Significant Other |  | Unobservable |
|  | Balance as of |  | Identical Assets |  | Observable Inputs |  | Inputs |
|  | September 30, 2016 |  | (Level 1) |  | (Level 2) |  | (Level 3) |
Assets: |  |  |  |  |  |  |  |  |  |  |  |  |
Cash equivalents and investments: |  |  |  |  |  |  |  |  |  |  |  |  |
Certificates of deposit |  | $ | 21,744 |  | $ | — |  | $ | 21,744 |  | $ | — |
Corporate bonds |  |  | 8,464 |  |  | — |  |  | 8,464 |  |  | — |
Corporate equity securities |  |  | 183 |  |  | 183 |  |  | — |  |  | — |
Total |  | $ | 30,391 |  | $ | 183 |  | $ | 30,208 |  | $ | — |
Liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign currency hedge obligations |  | $ | 53 |  | $ | — |  | $ | — |  | $ | 53 |
The following table summarizes our financial assets and liabilities measured at fair value on a recurring basis in accordance with ASC 820 as of December 31, 2015 (in thousands):
|  |  |  |  | Quoted Prices in |  |  |  |  | Significant |
|  |  |  |  | Active Markets of |  | Significant Other |  | Unobservable |
|  | Balance as of |  | Identical Assets |  | Observable Inputs |  | Inputs |
|  | December 31, 2015 |  | (Level 1) |  | (Level 2) |  | (Level 3) |
Assets: |  |  |  |  |  |  |  |  |  |  |  |  |
Cash equivalents and investments: |  |  |  |  |  |  |  |  |  |  |  |  |
Certificates of deposit |  | $ | 24,369 |  | $ | — |  | $ | 24,369 |  | $ | — |
Corporate bonds |  |  | 8,713 |  |  | — |  |  | 8,713 |  |  | — |
Corporate equity securities |  |  | 632 |  |  | 632 |  |  | — |  |  | — |
Total |  | $ | 33,714 |  | $ | 632 |  | $ | 33,082 |  | $ | — |
Liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign currency hedge obligations |  | $ | 36 |  | $ | — |  | $ | — |  | $ | 36 |

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- Definition Tabular disclosure of fair value of investments in debt and equity securities in an unrealized loss position categorized neither as held-to-maturity nor trading securities. + References No definition available. + Details
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- Definition Tabular disclosure of the components of cash, cash equivalents, and investments. + References No definition available. + Details
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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, 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=66048111&loc=d3e19190-110258 + Details
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