Share Capital - Summary of Information Liability-Classified Options (Details)	12 Months Ended
	Dec. 31, 2016 CAD / shares $ / shares shares	Dec. 31, 2016 $ / shares shares	Jan. 01, 2016 CAD / shares	Jan. 01, 2016 $ / shares
Liability classified stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options outstanding, Weighted average exercise price (in USD per share) | (per share)	CAD 7.35	$ 5.48	CAD 7.24	$ 5.23
Number of options exercisable (in shares) | shares	623,750	623,750
Weighted average exercise price (in USD per share) | (per share)	CAD 7.14	$ 5.32
Range 1
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of Exercise prices - Low (in USD per share)	CAD 1.12
Range of Exercise prices - High (in USD per share)	CAD 3.05
Number of options outstanding (in shares) | shares	121,725	121,725
Weighted average remaining contractual life (years)	6 years 4 months 24 days
Options outstanding, Weighted average exercise price (in USD per share)		$ 2.23
Number of options exercisable (in shares) | shares	75,225	75,225
Weighted average exercise price (in USD per share)		$ 1.78
Range 1 | Liability classified stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of Exercise prices - Low (in USD per share)	CAD 1.27
Range of Exercise prices - High (in USD per share)	CAD 1.79
Number of options outstanding (in shares) | shares	120,000	120,000
Weighted average remaining contractual life (years)	3 years 8 months 12 days
Options outstanding, Weighted average exercise price (in USD per share)		$ 1.48
Number of options exercisable (in shares) | shares	120,000	120,000
Weighted average exercise price (in USD per share)		$ 1.48
Range 2
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of Exercise prices - Low (in USD per share)	CAD 3.28
Range of Exercise prices - High (in USD per share)	CAD 3.84
Number of options outstanding (in shares) | shares	209,033	209,033
Weighted average remaining contractual life (years)	8 years 4 months 24 days
Options outstanding, Weighted average exercise price (in USD per share)		$ 3.64
Number of options exercisable (in shares) | shares	62,033	62,033
Weighted average exercise price (in USD per share)		$ 3.69
Range 2 | Liability classified stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of Exercise prices - Low (in USD per share)	CAD 2.87
Range of Exercise prices - High (in USD per share)	CAD 3.84
Number of options outstanding (in shares) | shares	120,000	120,000
Weighted average remaining contractual life (years)	3 years 7 months 6 days
Options outstanding, Weighted average exercise price (in USD per share)		$ 3.42
Number of options exercisable (in shares) | shares	120,000	120,000
Weighted average exercise price (in USD per share)		$ 3.42
Range 3
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of Exercise prices - Low (in USD per share)	CAD 3.94
Range of Exercise prices - High (in USD per share)	CAD 3.94
Number of options outstanding (in shares) | shares	1,369,849	1,369,849
Weighted average remaining contractual life (years)	9 years 2 months 12 days
Options outstanding, Weighted average exercise price (in USD per share)		$ 3.94
Number of options exercisable (in shares) | shares	0	0
Range 3 | Liability classified stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of Exercise prices - Low (in USD per share)	CAD 3.97
Range of Exercise prices - High (in USD per share)	CAD 4.28
Number of options outstanding (in shares) | shares	74,000	74,000
Weighted average remaining contractual life (years)	1 year 7 months 6 days
Options outstanding, Weighted average exercise price (in USD per share)		$ 4.22
Number of options exercisable (in shares) | shares	74,000	74,000
Weighted average exercise price (in USD per share)		$ 4.22
Range 4
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of Exercise prices - Low (in USD per share)	CAD 3.98
Range of Exercise prices - High (in USD per share)	CAD 8.64
Number of options outstanding (in shares) | shares	81,713	81,713
Weighted average remaining contractual life (years)	8 years 1 month 6 days
Options outstanding, Weighted average exercise price (in USD per share)		$ 4.49
Number of options exercisable (in shares) | shares	71,380	71,380
Weighted average exercise price (in USD per share)		$ 4.38
Range 4 | Liability classified stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of Exercise prices - Low (in USD per share)	CAD 4.84
Range of Exercise prices - High (in USD per share)	CAD 6.18
Number of options outstanding (in shares) | shares	76,250	76,250
Weighted average remaining contractual life (years)	8 months 12 days
Options outstanding, Weighted average exercise price (in USD per share)		$ 5.83
Number of options exercisable (in shares) | shares	76,250	76,250
Weighted average exercise price (in USD per share)		$ 5.83
Range 5
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of Exercise prices - Low (in USD per share)	CAD 9.11
Range of Exercise prices - High (in USD per share)	CAD 9.73
Number of options outstanding (in shares) | shares	118,843	118,843
Weighted average remaining contractual life (years)	7 years 9 months 18 days
Options outstanding, Weighted average exercise price (in USD per share)		$ 9.44
Number of options exercisable (in shares) | shares	91,375	91,375
Weighted average exercise price (in USD per share)		$ 9.44
Range 5 | Liability classified stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of Exercise prices - Low (in USD per share)	CAD 6.79
Range of Exercise prices - High (in USD per share)	CAD 6.79
Number of options outstanding (in shares) | shares	150,000	150,000
Weighted average remaining contractual life (years)	6 years 9 months 18 days
Options outstanding, Weighted average exercise price (in USD per share)		$ 6.79
Number of options exercisable (in shares) | shares	150,000	150,000
Weighted average exercise price (in USD per share)		$ 6.79
Range 6
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of Exercise prices - Low (in USD per share)	CAD 9.88
Range of Exercise prices - High (in USD per share)	CAD 13.89
Number of options outstanding (in shares) | shares	201,000	201,000
Weighted average remaining contractual life (years)	8 years 1 month 6 days
Options outstanding, Weighted average exercise price (in USD per share)		$ 13.42
Number of options exercisable (in shares) | shares	74,271	74,271
Weighted average exercise price (in USD per share)		$ 13.26
Range 6 | Liability classified stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of Exercise prices - Low (in USD per share)	CAD 9.32
Range of Exercise prices - High (in USD per share)	CAD 12.21
Number of options outstanding (in shares) | shares	98,250	98,250
Weighted average remaining contractual life (years)	6 years
Options outstanding, Weighted average exercise price (in USD per share)		$ 11.53
Number of options exercisable (in shares) | shares	83,500	83,500
Weighted average exercise price (in USD per share)		$ 11.44
Total Range
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of Exercise prices - Low (in USD per share)	CAD 1.12
Range of Exercise prices - High (in USD per share)	CAD 17.57
Number of options outstanding (in shares) | shares	2,911,204	2,911,204
Weighted average remaining contractual life (years)	8 years 7 months 6 days
Options outstanding, Weighted average exercise price (in USD per share)		$ 8.53
Number of options exercisable (in shares) | shares	699,241	699,241
Weighted average exercise price (in USD per share)		$ 11.77
Total Range | Liability classified stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Range of Exercise prices - Low (in USD per share)	CAD 1.27
Range of Exercise prices - High (in USD per share)	CAD 12.21
Number of options outstanding (in shares) | shares	638,500	638,500
Weighted average remaining contractual life (years)	4 years 2 months 12 days
Options outstanding, Weighted average exercise price (in USD per share)		$ 5.48