Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Plan Modification, Number of Shares

+ References

No definition available.

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- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

Unrecognized cost of unvested options awarded to employees as compensation.

+ References

No definition available.

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(3)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

The number of exercisable share options (fully vested and expected to vest) that may be converted as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (e)(2)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(iii)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

Number of non-vested options outstanding.

+ References

No definition available.

+ Details

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- Definition

Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iii)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

Weighted average remaining contractual term of exercisable stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (e)(2)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

Weighted average remaining contractual term of outstanding stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (e)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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Stock-based compensation - Options by exercise price range (Details) - CAD CAD / shares in Units, CAD in Thousands		12 Months Ended
	Sep. 22, 2010	Dec. 31, 2016	Dec. 31, 2015
Share option plan
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options outstanding, Number (in shares)		1,176,080
Options outstanding, Weighted average remaining life		4 years 9 months	5 years 5 months
Options outstanding, Weighted average exercise price (in CAD per share)		CAD 5.56	CAD 5.33
Total options exercisable (in shares)		898,500	886,220
Options exercisable, Weighted average remaining life		4 years 6 months
Options exercisable, Weighted average exercise price (in CAD per share)		CAD 6.21	CAD 6.52
Fair value of options vested		CAD 594	CAD 806
Non-vested awards not yet recognized		CAD 269	CAD 684
Forfeited (in shares)		169,880	287,840
Share option plan \| $2.75
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price (CAD per share)		CAD 2.75
Options outstanding, Number (in shares)		226,540
Options outstanding, Weighted average remaining life		5 years 5 months
Options outstanding, Weighted average exercise price (in CAD per share)		CAD 2.75
Options exercisable, Number (in shares)		161,960
Options exercisable, Weighted average remaining life		5 years 4 months
Options exercisable, Weighted average exercise price (in CAD per share)		CAD 2.75
Share option plan \| $2.79
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price (CAD per share)		CAD 2.79
Options outstanding, Number (in shares)		400,000
Options outstanding, Weighted average remaining life		5 years 6 months
Options outstanding, Weighted average exercise price (in CAD per share)		CAD 2.79
Options exercisable, Number (in shares)		250,000
Options exercisable, Weighted average remaining life		5 years 6 months
Options exercisable, Weighted average exercise price (in CAD per share)		CAD 2.79
Share option plan \| $3.69
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price (CAD per share)		CAD 3.69
Options outstanding, Number (in shares)		25,800
Options outstanding, Weighted average remaining life		1 year 11 months
Options outstanding, Weighted average exercise price (in CAD per share)		CAD 3.69
Options exercisable, Number (in shares)		25,800
Options exercisable, Weighted average remaining life		1 year 10 months 24 days
Options exercisable, Weighted average exercise price (in CAD per share)		CAD 3.69
Share option plan \| $4.90
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price (CAD per share)		CAD 4.90
Options outstanding, Number (in shares)		40,000
Options outstanding, Weighted average remaining life		5 years 3 months
Options outstanding, Weighted average exercise price (in CAD per share)		CAD 4.90
Options exercisable, Number (in shares)		32,000
Options exercisable, Weighted average remaining life		5 years 3 months
Options exercisable, Weighted average exercise price (in CAD per share)		CAD 4.90
Share option plan \| $5.91
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price (CAD per share)		CAD 5.91
Options outstanding, Number (in shares)		137,500
Options outstanding, Weighted average remaining life		7 years
Options outstanding, Weighted average exercise price (in CAD per share)		CAD 5.91
Options exercisable, Number (in shares)		82,500
Options exercisable, Weighted average remaining life		7 years
Options exercisable, Weighted average exercise price (in CAD per share)		CAD 5.91
Share option plan \| $6.56
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price (CAD per share)		CAD 6.56
Options outstanding, Number (in shares)		73,660
Options outstanding, Weighted average remaining life		4 years 11 months
Options outstanding, Weighted average exercise price (in CAD per share)		CAD 6.56
Options exercisable, Number (in shares)		73,660
Options exercisable, Weighted average remaining life		4 years 11 months
Options exercisable, Weighted average exercise price (in CAD per share)		CAD 6.56
Share option plan \| $8.28
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price (CAD per share)		CAD 8.28
Options outstanding, Number (in shares)		10,000
Options outstanding, Weighted average remaining life		2 years 6 months
Options outstanding, Weighted average exercise price (in CAD per share)		CAD 8.28
Options exercisable, Number (in shares)		10,000
Options exercisable, Weighted average remaining life		2 years 6 months
Options exercisable, Weighted average exercise price (in CAD per share)		CAD 8.28
Share option plan \| $8.58
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price (CAD per share)		CAD 8.58
Options outstanding, Number (in shares)		30,000
Options outstanding, Weighted average remaining life		3 years 8 months
Options outstanding, Weighted average exercise price (in CAD per share)		CAD 8.58
Options exercisable, Number (in shares)		30,000
Options exercisable, Weighted average remaining life		3 years 8 months
Options exercisable, Weighted average exercise price (in CAD per share)		CAD 8.58
Share option plan \| $9.33
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price (CAD per share)		CAD 9.33
Options outstanding, Number (in shares)		55,780
Options outstanding, Weighted average remaining life		3 years 1 month
Options outstanding, Weighted average exercise price (in CAD per share)		CAD 9.33
Options exercisable, Number (in shares)		55,780
Options exercisable, Weighted average remaining life		3 years 1 month
Options exercisable, Weighted average exercise price (in CAD per share)		CAD 9.33
Share option plan \| $10.13
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price (CAD per share)		CAD 10.13
Options outstanding, Number (in shares)		54,960
Options outstanding, Weighted average remaining life		4 years
Options outstanding, Weighted average exercise price (in CAD per share)		CAD 10.13
Options exercisable, Number (in shares)		54,960
Options exercisable, Weighted average remaining life		4 years
Options exercisable, Weighted average exercise price (in CAD per share)		CAD 10.13
Share option plan \| $13.50
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price (CAD per share)		CAD 13.50
Options outstanding, Number (in shares)		71,840
Options outstanding, Weighted average remaining life		11 months
Options outstanding, Weighted average exercise price (in CAD per share)		CAD 13.50
Options exercisable, Number (in shares)		71,840
Options exercisable, Weighted average remaining life		11 months
Options exercisable, Weighted average exercise price (in CAD per share)		CAD 13.50
Share option plan \| $16.46
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price (CAD per share)		CAD 16.46
Options outstanding, Number (in shares)		50,000
Options outstanding, Weighted average remaining life		1 year 3 months
Options outstanding, Weighted average exercise price (in CAD per share)		CAD 16.46
Options exercisable, Number (in shares)		50,000
Options exercisable, Weighted average remaining life		1 year 3 months
Options exercisable, Weighted average exercise price (in CAD per share)		CAD 16.46
Senior executive stock option plan
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Number of shares modified (in shares)	550,000
Stock options outstanding (in shares)		0	0
Stock options \| Share option plan
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Period for award recognition		11 months	1 year 8 months
Stock options \| Senior executive stock option plan
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Forfeited (in shares)			258,200