|9 Months Ended|
Sep. 30, 2015
|Warrants and Rights Note Disclosure [Abstract]|
|Warrants Disclosure [Text Block]||
Note 11 Warrants
During the nine months ended September 30, 2015, warrant holders exercised 38,574 warrants on a cashless basis and received 24,960 shares of common stock and 13,614 shares were used to cover the exercise price. In addition, a warrant holder exercised 14,383 warrants and paid the exercise price in cash. Net proceeds received from warrant exercises were $49,993 during the nine months ended September 30, 2015.
The shares underlying the warrants have not been registered. Warrants to purchase 3,000 shares of the Company’s common stock were unvested at September 30, 2015.