XML 92 R27.htm IDEA: XBRL DOCUMENT v2.4.0.8

FAIR VALUE MEASUREMENTS (Tables)

12 Months Ended

Dec. 31, 2013

FAIR VALUE MEASUREMENTS

Schedule of cash equivalents, restricted cash and marketable securities by security type

Cash equivalents, restricted cash and marketable securities by security type at December 31, 2013 were as follows:

		Amortized Cost			Gross Unrealized Gains			Gross Unrealized Losses			Estimated Fair Value
		(In thousands)
Included in cash and cash equivalents:
Money market funds		$	8,079		$	—		$	—		$	8,079
Corporate notes			2,206			—			—			2,206
​	​	​	​	​	​	​	​	​	​	​	​	​	​
		$	10,285		$	—		$	—		$	10,285
​	​	​	​	​	​	​	​	​	​	​	​	​	​
​	​	​	​	​	​	​	​	​	​	​	​	​	​
Restricted cash:
Certificates of deposit		$	795		$	—		$	—		$	795
​	​	​	​	​	​	​	​	​	​	​	​	​	​
​	​	​	​	​	​	​	​	​	​	​	​	​	​
Marketable securities (due in less than 1 year):
Government-sponsored enterprise securities		$	7,369		$	1		$	(1	)	$	7,369
Commercial paper			5,496			3			—			5,499
Corporate notes			39,383			1			(18	)		39,366
​	​	​	​	​	​	​	​	​	​	​	​	​	​
		$	52,248		$	5		$	(19	)	$	52,234
​	​	​	​	​	​	​	​	​	​	​	​	​	​
​	​	​	​	​	​	​	​	​	​	​	​	​	​

        Cash equivalents, restricted cash and marketable securities by security type at December 31, 2012 were as follows:

		Amortized Cost			Gross Unrealized Gains			Gross Unrealized Losses			Estimated Fair Value
		(In thousands)
Included in cash and cash equivalents:
Money market funds		$	15,660		$	—		$	—		$	15,660
Corporate notes			3,136			—			(1	)		3,135
​	​	​	​	​	​	​	​	​	​	​	​	​	​
		$	18,796		$	—		$	(1	)	$	18,795
​	​	​	​	​	​	​	​	​	​	​	​	​	​
​	​	​	​	​	​	​	​	​	​	​	​	​	​
Restricted cash:
Certificates of deposit		$	794		$	—		$	—		$	794
​	​	​	​	​	​	​	​	​	​	​	​	​	​
​	​	​	​	​	​	​	​	​	​	​	​	​	​
Marketable securities (due in less than 1 year):
Government-sponsored enterprise securities		$	8,618		$	5		$	—		$	8,623
Commercial paper			20,623			21			—			20,644
Corporate notes			44,190			22			(7	)		44,205
​	​	​	​	​	​	​	​	​	​	​	​	​	​
		$	73,431		$	48		$	(7	)	$	73,472
​	​	​	​	​	​	​	​	​	​	​	​	​	​
​	​	​	​	​	​	​	​	​	​	​	​	​	​

Schedule of cash equivalents and marketable securities with unrealized losses

Cash equivalents and marketable securities with unrealized losses at December 31, 2013 and 2012 were as follows:

		Less Than 12 Months						12 Months or Greater						Total
		Estimated Fair Value			Gross Unrealized Losses			Estimated Fair Value			Gross Unrealized Losses			Estimated Fair Value			Gross Unrealized Losses
		(In thousands)
As of December 31, 2013:
Government-sponsored enterprise securities (due in less than 1 year)		$	3,947		$	(1	)	$	—		$	—		$	3,947		$	(1	)
Corporate notes (due in less than 1 year)			37,060			(18	)								37,060			(18	)
​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​
		$	41,007		$	(19	)	$	—		$	—		$	41,007		$	(19	)
​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​
​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​
As of December 31, 2012:
Corporate notes (due in less than 1 year)		$	27,045		$	(8	)	$	—		$	—		$	27,045		$	(8	)
​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​
​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​

Schedule of non-employee options to purchase common stock considered as derivatives and classified as current liabilities

					Number of Shares at December 31,										Fair Value at December 31,
		Exercise Price									Exercisable Date		Expiration Date
Issuance Date					2013			2012							2013			2012
															(In thousands)
March 2005		$	6.39			284,600			284,600		January 2007		March 2015		$	367		$	51
​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​
​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​

Schedule of assumptions used to estimate the fair value of derivatives

The fair value of derivatives has been calculated at each reporting date using the Black Scholes option-pricing model with the following assumptions:

		December 31,
		2013		2012
Dividend yield		None		None
Expected volatility		0.844		0.828
Risk-free interest rate		0.13%		0.25%
Expected term		1 yr		2 yrs

Schedule of financial instruments measured at fair value on recurring basis

The following table presents information about our financial instruments that are measured at fair value on a recurring basis as of December 31, 2013 and indicates the fair value category assigned.

		Fair Value Measurements at Reporting Date Using
		Quoted Prices in Active Markets for Identical Assets/ Liabilities			Significant Other Observable Inputs			Significant Unobservable Inputs
(In thousands)		Level 1			Level 2			Level 3			Total
Assets
Money market funds(1)		$	8,079		$	—		$	—		$	8,079
Government-sponsored enterprise securities(2)			—			7,369			—			7,369
Commercial paper(2)			—			5,499			—			5,499
Corporate notes(1)(2)			—			41,572			—			41,572
​	​	​	​	​	​	​	​	​	​	​	​	​	​
Total		$	8,079		$	54,440		$	—		$	62,519
​	​	​	​	​	​	​	​	​	​	​	​	​	​
​	​	​	​	​	​	​	​	​	​	​	​	​	​
Liabilities
Derivatives(3)		$	—		$	—		$	367		$	367
​	​	​	​	​	​	​	​	​	​	​	​	​	​
​	​	​	​	​	​	​	​	​	​	​	​	​	​

        The following table presents information about our financial instruments that are measured at fair value on a recurring basis as of December 31, 2012 and indicates the fair value category assigned.

		Fair Value Measurements at Reporting Date Using
		Quoted Prices in Active Markets for Identical Assets/ Liabilities			Significant Other Observable Inputs			Significant Unobservable Inputs
(In thousands)		Level 1			Level 2			Level 3			Total
Assets
Money market funds(1)		$	15,660		$	—		$	—		$	15,660
Government-sponsored enterprise securities(2)			—			8,623			—			8,623
Commercial paper(2)			—			20,644			—			20,644
Corporate notes(1)(2)			—			47,340			—			47,340
​	​	​	​	​	​	​	​	​	​	​	​	​	​
Total		$	15,660		$	76,607		$	—		$	92,267
​	​	​	​	​	​	​	​	​	​	​	​	​	​
​	​	​	​	​	​	​	​	​	​	​	​	​	​
Liabilities
Derivatives(3)		$	—		$	—		$	51		$	51
​	​	​	​	​	​	​	​	​	​	​	​	​	​
​	​	​	​	​	​	​	​	​	​	​	​	​	​

(1)

Included in cash and cash equivalents on our consolidated balance sheets.

(2)

Included in current marketable securities on our consolidated balance sheets.

(3)

Included in fair value of derivatives on our consolidated balance sheets.

Schedule of rollforward of the balance sheet amounts for financial instruments in Level 3 category

		Fair Value Measurements Using Significant Unobservable Inputs (Level 3) Year Ended December 31, 2013
(In thousands)		Fair Value at December 31, 2012			Total Unrealized Loss Included in Earnings(1)			Purchases, Sales, Issuances, Settlements			Transfers In and/or Out of Level 3			Fair Value at December 31, 2013			Change in Unrealized Loss Related to Financial Instruments Held at December 31, 2013(1)
Derivative liabilities		$	51		$	316		$	—		$	—		$	367		$	316

(1)

Reported as unrealized loss on derivatives in our consolidated statements of operations.

X

- Definition

Tabular disclosure of the assumptions used in the fair value measurement of derivative instruments.

+ References

No definition available.

+ Details

Name:	gern_ScheduleOfDerivativesValuationAssumptionsTableTextBlock
Namespace Prefix:	gern_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- 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

Name:	us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValueTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities.

+ 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)

-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 825

-SubTopic 10

-Section 50

-Paragraph 10

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13433-108611



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 11

-URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13467-108611



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 12

-URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13476-108611



Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 30

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6957238&loc=d3e14172-108612



Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6447952&loc=d3e13220-108610

+ Details

Name:	us-gaap_FairValueByBalanceSheetGroupingTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_FairValueDisclosuresAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the fair value measurement of liabilities using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes 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 liability.

+ References

Reference 1: 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 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258

+ Details

Name:	us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of derivative liabilities at fair value.

+ References

No definition available.

+ Details

Name:	us-gaap_ScheduleOfDerivativeLiabilitiesAtFairValueTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- 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=25499696&loc=d3e19190-110258

+ Details

Name:	us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration