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Fair Value Measurement of Assets and Liabilities (Tables) | 12 Months Ended
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Dec. 31, 2014
Fair Value Disclosures [Abstract] |
Summary of Company's Financial Instruments, Fair Value on a Recurring Basis | The following table summarizes the Company’s financial instruments measured at fair value on a recurring basis in accordance with the authoritative guidance for fair value measurements as of December 31, 2014 (in thousands):
Description | Balance as of December 31, 2014 |  | Level 1 |  | Level 2
Assets: |  |  |  |  |
Cash equivalents |  |  |  |  |
Money market funds | $ | 1,134 |  |  | $ | 1,134 |  |  | $ | — |
Certificates of deposit | 980 |  |  | — |  |  | 980 |
Total cash equivalents | $ | 2,114 |  |  | $ | 1,134 |  |  | $ | 980 |
The following table summarizes the Company’s financial instruments measured at fair value on a recurring basis in accordance with the authoritative guidance for fair value measurements as of December 31, 2013 (in thousands):
Description | Balance as of December 31, 2013 |  | Level 1 |  | Level 2
Assets: |  |  |  |  |
Cash equivalents |  |  |  |  |
US Treasury securities | $ | 487 |  |  | $ | — |  |  | $ | 487 |
Total cash equivalents | 487 |  |  | — |  |  | 487 |
Short-term marketable securities: |  |  |  |  |
Available-for-sale: |  |  |  |  |
Government agency securities | 2,351 |  |  | — |  |  | 2,351 |
Municipal bonds | 2,829 |  |  | — |  |  | 2,829 |
Certificates of deposit | 3,360 |  |  | — |  |  | 3,360 |
Corporate debentures / bonds | 10,638 |  |  | — |  |  | 10,638 |
Total short-term marketable securities | 19,178 |  |  | — |  |  | 19,178 |
Long-term marketable securities: |  |  |  |  |
Available-for-sale: |  |  |  |  |
Certificates of deposit | 1,300 |  |  | — |  |  | 1,300 |
Corporate debentures / bonds | 2,143 |  |  | — |  |  | 2,143 |
Total long-term marketable securities | 3,443 |  |  | — |  |  | 3,443 |
Total financial assets | $ | 23,108 |  |  | $ | — |  |  | $ | 23,108 |
Fair Value, Liabilities Measured on Recurring and Nonrecurring Basis | Carrying values and fair values of financial instruments that are not carried at fair value in the consolidated balance sheets are as follows (in thousands):
| As of December 31, 2014
Description | Carrying Amount |  | Fair Value
Revolving credit facility | $ | 5,158 |  |  | $ | 5,158 |
Total other financial instruments | $ | 5,158 |  |  | $ | 5,158 |

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- Definition Tabular disclosure of financial instruments measured at fair value, including those classified in shareholders' equity measured on a recurring or nonrecurring basis. Disclosures include, but are not limited to, fair value measurements recorded and the reasons for the measurements, level within the fair value hierarchy in which the fair value measurements are categorized and transfers between levels 1 and 2. Nonrecurring fair value measurements are those that are required or permitted in the statement of financial position in particular circumstances. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a,b,bb) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2C -URI http://asc.fasb.org/extlink&oid=25499696&loc=SL7498348-110258 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19279-110258 Reference 4: 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 + Details
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- Definition Tabular disclosure of liabilities, 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 and/or nonrecurring 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). Where the quoted price in an active market for the identical liability is not available, the Level 1 input is the quoted price of an identical liability when traded as an asset. + 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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