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Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2012

Summary of Significant Accounting Policies [Abstract]

Fair Value, Assets

The following tables show our securities' adjusted cost, gross unrealized gains, gross unrealized losses and fair value by significant investment category  as of March 31, 2012 and December 31, 2011.

			March 31, 2012
Level 1:			Adjusted Cost				Unrealized Gains				Unrealized Losses				Fair Value
Certificates of deposit			$	3,332			$	3			$	-			$	3,335
Corporate Bonds:
AA				4,185				13				-				4,198
A				7,261				-				(7	)			7,254
BAA				5,179				-				(31	)			5,148
Total Corporate Bonds				16,625				13				(38	)			16,600
Total Investments at Fair Value			$	19,957			$	16			$	(38	)		$	19,935

				December 31, 2011
Level 1:				Adjusted Cost				Unrealized Gains				Unrealized Losses				Fair Value
Certificates of deposit				$	2,582			$	2			$	-			$	2,584
Corporate Bonds:
AA					2,014				-				(3	)			2,011
A					9,846				-				(3	)			9,843
Total Corporate Bonds					11,860				-				(6	)			11,854
Total Investments at Fair Value				$	14,442			$	2			$	(6	)		$	14,438

Fair Value, Liabilities

The following tables set forth by level within the fair value hierarchy, our financial instrument liabilities as of March 31, 2012 and December 31, 2011.

		March 31, 2012
		Quoted Prices in Active Markets for Identical Assets				Significant Other Observable Inputs				Significant Unobservable Inputs
		(Level 1)				(Level 2)				(Level 3)				Total
Series l Warrants		$	-			$	-			$	4,430			$	4,430
Total		$	-			$	-			$	4,430			$	4,430

		December 31, 2011
		Quoted Prices in Active Markets for Identical Assets				Significant Other Observable Inputs				Significant Unobservable Inputs
		(Level 1)				(Level 2)				(Level 3)				Total
Series l Warrants		$	-			$	-			$	4,699			$	4,699
Total		$	-			$	-			$	4,699			$	4,699

Level 3 Financial liability [Roll Forward]

The following table sets forth a summary of changes in the fair value of our Level 3 financial instrument liability for the period ended March 31, 2012 and year ended December 31, 2011:

		March 31, 2012					December 31, 2011
		Fair Value Measurements Using Significant Unobservable Inputs (Level3)					Fair Value Measurements Using Significant Unobservable Inputs (Level3)
Balance December 31, 2011		$	4,699		Balance December 31, 2010		$	14,364
Net gain included in loss			(269	)	Net loss included in earnings			5,595
Settlements			-		Settlements			(15,260	)
Balance March 31, 2012		$	4,430		Balance December 31, 2011		$	4,699

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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 Statement of Financial Accounting Standard (FAS)

-Number 157

-Paragraph 6

-Footnote 4

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



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Tabular disclosure of the fair value measurement of assets using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes during the period attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets) and gains or losses recognized in other comprehensive income (loss), and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs), by class of asset.

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 157

-Paragraph 6

-Footnote 4

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 157

-Paragraph 32

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



Reference 3: 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=7578670&loc=d3e19190-110258



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-Name Accounting Standards Codification

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