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Financial Instruments and Marketable Securities (Tables) | 6 Months Ended
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Jun. 30, 2014
Financial Instruments and Marketable Securities [Abstract] |
Fair Value Hierarchy of Assets Measured on Recurring Basis | The following table presents the placement in the fair value hierarchy of assets that are measured at fair value on a recurring basis:
June 30, 2014: | Total |  | Level 1 |  | Level 2 |  | Level 3
Common stock | $ | 453 |  |  | 453 |  |  | — |  |  | — |
Total available-for-sale securities | $ | 453 |  |  | 453 |  |  | — |  |  | — |
December 31, 2013: | Total |  | Level 1 |  | Level 2 |  | Level 3
Common stock | $ | 451 |  |  | 451 |  |  | — |  |  | — |
Total available-for-sale securities | $ | 451 |  |  | 451 |  |  | — |  |  | — |
June 30, 2013: | Total |  | Level 1 |  | Level 2 |  | Level 3
Common stock | $ | 437 |  |  | 437 |  |  | — |  |  | — |
Total available-for-sale securities | $ | 437 |  |  | 437 |  |  | — |  |  | — |
Marketable Securities Treated as Available-for-Sale Securities | Marketable securities, all treated as available-for-sale securities, consist of the following:
June 30, 2014: | Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value
Common stock | $ | 197 |  |  | 256 |  |  | — |  |  | 453 |
Total available-for-sale securities | $ | 197 |  |  | 256 |  |  | — |  |  | 453 |
December 31, 2013: | Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value
Common stock | $ | 197 |  |  | 254 |  |  | — |  |  | 451 |
Total available-for-sale securities | $ | 197 |  |  | 254 |  |  | — |  |  | 451 |
June 30, 2013: | Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value
Common stock | $ | 197 |  |  | 240 |  |  | — |  |  | 437 |
Total available-for-sale securities | $ | 197 |  |  | 240 |  |  | — |  |  | 437 |
Future Maturities of Available-For-Sale Securities | Future maturities of our available-for-sale securities consist of the following:
| Less than 12 Months |  | Greater than 12 Months
June 30, 2014: | Amortized Cost |  | Fair Value |  | Amortized Cost |  | Fair Value
Common stock | $ | 197 |  |  | 453 |  |  | — |  |  | — |
Total available-for-sale securities | $ | 197 |  |  | 453 |  |  | — |  |  | — |

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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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- Definition Tabular disclosure of maturities of an entity's investments as well as any other information pertinent to the investments. + References No definition available. + Details
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- Definition Tabular disclosure of the reconciliation of available-for-sale securities from cost basis to fair value. + References No definition available. + Details
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