XML 25 R46.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Stock Options (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2013
Stock Options |
Schedule of assumptions used in determining stock based compensation costs under the Black-Scholes option pricing model |
|  | 2011 |  | 2012 |  | 2013 |
Expected volatility |  | 86.91 | % | 82.89 | % | — |
Risk-free interest rate |  | 0.36 | % | 0.39 | % | — |
Expected life (years) |  | 3.24 |  | 2.95 |  | — |
Dividend yield |  | Nil |  | Nil |  | — |
Estimated forfeiture rate |  | 10 | % | 10 | % | — |
Summary of stock options activity |
|  |  |  | Weighted Average |  | Aggregate Intrinsic |
|  | Number |  | Exercise Price |  | Value |
|  | of Options |  | ($/option) |  | ($) |
Outstanding as at December 31, 2012 |  | 1,448,200 |  | $ | 2.02 |  | 1,617,138 |
Granted |  | — |  | — |  | — |
Exercised |  | (478,800 | ) | 1.79 |  | — |
Forfeited |  | (65,000 | ) | 2.15 |  | — |
Outstanding as at December 31, 2013 |  | 904,400 |  | $ | 2.14 |  | $ | 3,603,712 |
Vested and expected to vest as at December 31, 2013 |  | 841,520 |  | $ | 2.12 |  | $ | 3,367,912 |
Exercisable as at December 31, 2013 |  | 520,900 |  | $ | 1.96 |  | $ | 2,165,587 |
Schedule of stock options by range of exercise prices | As at December 31, 2013
|  |  |  |  |  | Average |  |  |  |  |  | Average |
Exercise |  | Number of |  | Remaining |  | Exercise |  | Number |  | Remaining |  | Exercise |
Prices |  | Options |  | Contractual |  | Price |  | of Options |  | Contractual |  | Price |
($/option) |  | Outstanding |  | Life (years) |  | ($/option) |  | Exercisable |  | Life (years) |  | ($/option) |
$ | 1.60 |  | 275,600 |  | 0.05 |  | $ | 1.60 |  | 275,600 |  | 0.05 |  | $ | 1.60 |
$ | 2.37 |  | 628,800 |  | 2.99 |  | $ | 2.37 |  | 245,300 |  | 2.99 |  | $ | 2.37 |
|  | 904,400 |  | 2.09 |  | $ | 2.14 |  | 520,900 |  | 1.44 |  | $ | 1.96 |

X
- Details
Name: | us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + 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) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + 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 (f)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration