|
Shareholders' equity and capital stock (Details 1) (CAD)
|
12 Months Ended | |||
|---|---|---|---|---|
|
Dec. 31, 2012
|
Dec. 31, 2011
|
Dec. 31, 2010
|
Dec. 31, 2009
|
|
| Exercise price | 1.13 | 1.20 | 1.20 | 0 |
| Number of warrants | 150,000 | 100,000 | 100,000 | 0 |
| Weighted- average remaining contractual life (years) | 2 years 9 months 18 days | |||
| Aggregate Intrinsic Value | 0 | |||
|
Warrants Exercise Price Range One [Member]
|
||||
| Exercise price | 0.99 | |||
| Number of warrants | 50,000 | |||
| Weighted- average remaining contractual life (years) | 2 years 9 months 18 days | |||
| Aggregate Intrinsic Value | 0 | |||
| Expiry | Sep. 04, 2015 | |||
|
Warrants Exercise Price Range Two [Member]
|
||||
| Exercise price | 1.20 | |||
| Number of warrants | 100,000 | |||
| Weighted- average remaining contractual life (years) | 2 years 8 months 12 days | |||
| Aggregate Intrinsic Value | 0 | |||
| Expiry | Nov. 01, 2015 |