Consolidated Balance Sheets (Parenthetical) (USD $)	Sep. 30, 2014	Dec. 31, 2013
Statement of Financial Position [Abstract]
Common stock, no par value (usd per share)
Common stock, shares authorized	200,000,000	200,000,000
Common stock, shares issued	100,508,292	97,053,712
Common stock, shares outstanding	100,508,292	97,053,712