| Schedule of Quarterly Financial Information [Table Text Block] |
Note 12 – Unaudited Quarterly Financial Information
Summarized quarterly information for the years ended December 31, 2015 and 2014 is listed below: | | | For the quarter ended | | | | | March 31 | | June 30 | | September 30 | | December 31 | | | 2015 | | | | | | | | | | | | | | | Revenue | | $ | 200,000 | | $ | 225,000 | | $ | 2,075,000 | | $ | - | | | Operating expenses | | $ | 7,131,600 | | $ | 6,374,970 | | $ | 7,683,317 | | $ | 8,887,452 | | | Net loss | | $ | (6,925,279) | | $ | (6,146,582) | | $ | (5,605,661) | | $ | (8,884,180) | | | Loss per share, basic and diluted | | $ | (0.54) | | $ | (0.48) | | $ | (0.43) | | $ | (0.61) | | | | | | | | | | | | | | | | | | 2014 | | | | | | | | | | | | | | | Revenue | | $ | - | | $ | - | | $ | - | | $ | - | | | Operating expenses | | $ | 2,020,533 | | $ | 3,495,023 | | $ | 5,830,438 | | $ | 9,028,715 | | | Net (loss) income | | $ | (31,009,723) | | $ | 278,621 | | $ | (5,847,998) | | $ | (9,024,010) | | | Net (loss) income per share, basic and diluted | | $ | (11.45) | | $ | 0.03 | | $ | (0.62) | | $ | (0.89) | |
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