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Financial Instruments and Marketable Securities (Tables)

3 Months Ended

Mar. 31, 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:

March 31, 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			—			—

March 31, 2013:	Total				Level 1			Level 2			Level 3
Common stock	$	417			417			—			—
Total available-for-sale securities	$	417			417			—			—

Marketable Securities Treated as Available-for-Sale Securities

Marketable securities, all treated as available-for-sale securities, consist of the following:

March 31, 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

March 31, 2013:	Amortized Cost				Gross Unrealized Gains			Gross Unrealized Losses			Fair Value
Common stock	$	197			220			—			417
Total available-for-sale securities	$	197			220			—			417

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
March 31, 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

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Tabular disclosure of maturities of an entity's investments as well as any other information pertinent to the investments.

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No definition available.

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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.

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