Achieve Life Sciences, 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
- Accounting Policies (Policies)
Notes Tables
Notes Details

Common Stock (Details 2)

v2.4.0.6

Common Stock (Details 2) (USD $)	12 Months Ended
Common Stock (Details 2) (USD $)	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Summary of stock options activity
Number of Optioned Common Shares, Beginning Balance	766,328	744,913	802,871
Weighted Average Exercise Price, Beginning Balance	$ 9.82	$ 8.74	$ 6.95
Number of Optioned Common Shares, Option grants	172,650	101,600	170,872
Weighted Average Exercise Price, Option grants	$ 12.97	$ 15.72	$ 15.87
Number of Optioned Common Shares, Option cancellations	(12,309)	(22,986)	(7,311)
Weighted Average Exercise Price, Option cancellations	$ 9.10	$ 13.95	$ 104.91
Number of Optioned Common Shares, Option exercises	(117,347)	(56,228)	(194,956)
Weighted Average Exercise Price, Option exercises	$ 3.94	$ 3.88	$ 4.22
Number of Optioned Common Shares, Option forfeited	(4,541)	(971)	(26,563)
Weighted Average Exercise Price, Option forfeited	$ 15.26	$ 41.91	$ 7.35
Number of Optioned Common Shares, Ending Balance	804,781	766,328	744,913
Weighted Average Exercise Price, Ending Balance	$ 11.34	$ 9.82	$ 8.74

- Definition

Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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