XML 32 R21.htm IDEA: XBRL DOCUMENT v3.7.0.1

Fair value of financial instruments and marketable securities (Tables)

3 Months Ended

Mar. 31, 2017

Fair Value Disclosures [Abstract]

Schedule of financial assets and liabilities that are required to be measured at fair value on a recurring basis

The following represents the fair value using the hierarchy described above for the Company’s financial assets and liabilities that are required to be measured at fair value on a recurring basis as of March 31, 2017 and December 31, 2016:

		March 31, 2017
		Total				Quoted prices in active markets for identical assets (level 1)				Significant other observable inputs (level 2)				Significant unobservable inputs (level 3)
Marketable securities		$	148,471			$	—			$	148,471			$	—
Warrant liability		$	1			$	—			$	—			$	1
Stock appreciation rights liability		$	265			$	—			$	—			$	265

		December 31, 2016
		Total				Quoted prices in active markets for identical assets (level 1)				Significant other observable inputs (level 2)				Significant unobservable inputs (level 3)
Marketable securities		$	173,345			$	—			$	173,345			$	—
Warrant Liability		$	1			$	—			$	—			$	1
Stock appreciation rights liability		$	865			$	—			$	—			$	865

Summary of marketable securities accounted for as available-for-sale securities

The following is a summary of marketable securities accounted for as available-for-sale securities at March 31, 2017 and December 31, 2016:

		March 31, 2017
		Amortized Cost				Gross Unrealized								Fair Value
						Gains				Losses
Commercial paper		$	19,162			$	35			$	—			$	19,197
Corporate debt securities		126,134				23				(84		)		126,073
Government obligations		3,201				—				—				3,201
		$	148,497			$	58			$	(84	)		$	148,471

		December 31, 2016
		Amortized Cost				Gross Unrealized								Fair Value
						Gains				Losses
Commercial paper		$	12,919			$	47			$	—			$	12,966
Corporate debt securities		153,240				52				(103		)		153,189
Government obligations		7,188				2				—				7,190
		$	173,347			$	101			$	(103	)		$	173,345

Schedule of marketable securities on the balance sheet

Marketable securities on the balance sheet at March 31, 2017 and December 31, 2016 mature as follows:

		March 31, 2017
		Less Than 12 Months				More Than 12 Months
Commercial paper		$	19,197			$	—
Corporate debt securities		122,077				3,995
Government obligations		3,202				—
Total Marketable securities		$	144,476			$	3,995

		December 31, 2016
		Less Than 12 Months				More Than 12 Months
Commercial paper		$	12,966			$	—
Corporate debt securities		137,196				15,993
Government obligations		7,190				—
Total Marketable securities		$	157,352			$	15,993

Summary of changes in the fair value of the Company's Level 3 valuation for warrant liability and SARs liability

The table presented below is a summary of changes in the fair value of the Company’s Level 3 valuations for the warrant liability and SARs liability for the period ended March 31, 2017:

		Level 3 liabilities
		Warrants				SARs
Beginning balance as of December 31, 2016		$	1			$	865
Change in fair value		—				464
Payments		—				(1,064		)
Ending balance as of March 31, 2017		$	1			$	265

X

- References

No definition available.

+ 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=66048111&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=66048111&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 marketable securities. This may consist of investments in certain debt and equity securities, short-term investments and other assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=66010992&loc=d3e26626-111562

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.4)
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 5
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27232-111563

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=66010992&loc=d3e26610-111562

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27161-111563

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.2,12)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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

X

- Definition

Tabular disclosure of the reconciliation of available-for-sale securities from cost basis to fair value.

+ References

No definition available.

+ Details

Name:	us-gaap_ScheduleOfAvailableForSaleSecuritiesReconciliationTableTextBlock
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=66048111&loc=d3e19190-110258

+ Details

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