Consolidated Balance Sheets (Parentheticals) - $ / shares	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013
Statement of Financial Position [Abstract]
Common stock, no par value (in Dollars per share)	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0
Common stock, authorized	150,000,000	150,000,000	150,000,000	150,000,000	150,000,000	150,000,000	150,000,000	150,000,000	150,000,000
Common stock, issued	119,427,471	119,313,203	119,199,049	114,332,873	111,734,901	107,330,516	104,088,199	96,697,545	96,569,186
Common stock, outstanding	119,427,471	119,313,203	119,199,049	114,332,873	111,734,901	107,330,516	104,088,199	96,697,545	96,569,186