Employee Stock Compensation Plans - Summary Stock Options (Details) (USD $)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Options 2006 Plan
Outstanding, beginning of year	2,419,000	2,598,400
Granted	1,990,000
Exercised		117,500
Cancelled/Expired/Forfeited (2)	2,061,000
Outstanding, end of year	2,348,000	2,419,000
Exercisable, end of year	814,250	2,336,500
Options/RSUs 2013 Plan
Outstanding, beginning of year	1,400,000
Granted	50,562	1,400,000
Exercised	50,562
Cancelled/Expired/Forfeited (2)
Outstanding, end of year	1,400,000	1,400,000
Exercisable, end of year	700,000	350,000
Weighted Average Exercise Price Cdn 2006 Plan
Outstanding, beginning of year, Per Share	2.25	2.22
Granted, Per Share	1.60
Exercised, Per Share		1.55
Cancelled/Expired/Forfeited (2), Per Share	2.31
Outstanding, end of year, Per Share	1.66	2.25
Exercisable, end of year, Per Share	1.78	2.27
Weighted Average Exercise Price2013Plan
Outstanding, beginning of year, Per Share	0.96
Granted, Per Share	0.89	0.96
Exercised, Per Share	0.89
Cancelled/Expired/Forfeited (2), Per Share
Outstanding, end of year, Per Share	0.96	0.96
Exercisable, end of year, Per Share	0.96	0.96
Aggregate Intrinsic Value 2006 Plan
Outstanding, beginning of year, Value
Granted, Value
Exercised, Value
Cancelled/Expired/Forfeited (2), Value
Outstanding, end of year, Value
Exercisable, end of year, Value
Aggregate Intrinsic Value 2013 Plan
Outstanding, beginning of year, Value
Granted, Value
Exercised, Value
Cancelled/Expired/Forfeited (2), Value
Outstanding, end of year, Value
Exercisable, end of year, Value

For presentations that combine terminations, 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 or that expired.

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)-(4)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901