Rigel Pharmaceuticals, Inc. Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)
Notes Tables
Notes Details

STOCK-BASED COMPENSATION (Details)

v2.4.1.9

STOCK-BASED COMPENSATION (Details) (USD $)	1 Months Ended		3 Months Ended	12 Months Ended			3 Months Ended
STOCK-BASED COMPENSATION (Details) (USD $)	Dec. 31, 2014	Sep. 30, 2013 item	Dec. 31, 2014	Dec. 31, 2014 item	Dec. 31, 2013	Dec. 31, 2012	Sep. 30, 2013
Stock-based compensation expense related to stock-based awards
Total stock-based compensation expense			$ 1,500,000	$ 9,787,000	$ 7,166,000	$ 12,617,000
Reduction in workforce (as a percent)		18.00%
Number of positions eliminated		30
Period for exercise of vested options for terminated employees, excluding employees covered under restructuring				90 days
Remaining contractual term for recently granted options	9 years
Number of terminated employees whose vesting period for unvested stock options was accelerated				1
Research And Development Expense [Member]
Stock-based compensation expense related to stock-based awards
Total stock-based compensation expense				4,674,000	3,930,000	7,050,000
General And Administrative Expense [Member]
Stock-based compensation expense related to stock-based awards
Total stock-based compensation expense				5,113,000	2,997,000	5,567,000
Restructuring Charges [Member]
Stock-based compensation expense related to stock-based awards
Total stock-based compensation expense					$ 239,000		$ 239,000

- Definition

Represents the number of terminated employees whose vesting period for unvested stock options was accelerated.

+ References

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- Definition

Represents the period for exercise of vested options from termination date. as is typically required under the equity incentive plan, excluding employees covered under restructuring.

+ References

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- Definition

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+ References

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- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901

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

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-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SAB TOPIC 14.F)

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

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-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 14

-Section F

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- Definition

The number of positions eliminated during the period as a result of restructuring activities.

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- Definition

The number of positions eliminated during the period as a percentage of total positions eliminated during the period in connection with the restructuring plan(s).

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