Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares	Sep. 30, 2015	Dec. 31, 2014	Aug. 21, 2007
Statement of Financial Position [Abstract]
Common stock, no par value
Common stock, shares authorized	50,000,000	50,000,000
Common stock, shares issued	22,764,295	22,714,964
Common stock, shares outstanding	22,764,295	22,714,964	15,814,662