| Schedule of Segment Reporting Information, by Segment [Table Text Block] |
Geographic segments are components of an enterprise about which separate financial information is available and regularly evaluated by the chief operating decision maker in deciding how to allocate resources and in assessing performance. | Three months ended March 31, 2016 | | United States | | Brazil | | Total | | | | | | | | | | | | Net revenues | | $ | 379 | | $ | - | | $ | 379 | | | Research and development expenses | | | 1,048 | | | - | | | 1,048 | | | General and administrative expenses | | | 2,398 | | | 5 | | | 2,403 | | | Operating loss | | | (3,067) | | | (5) | | | (3,072) | | | Three months ended March 31, 2015 | | United States | | Brazil | | Total | | | | | | | | | | | | Net revenues | | $ | 349 | | $ | - | | $ | 349 | | | Research and development expenses | | | 815 | | | - | | | 815 | | | General and administrative expenses | | | 1,187 | | | 35 | | | 1,222 | | | Operating loss | | | (1,653) | | | (35) | | | (1,688) | |
| Nine months ended March 31, 2016 | | United States | | Brazil | | Total | | | | | | | | | | | | Net revenues | | $ | 673 | | $ | - | | $ | 673 | | | Research and development expenses | | | 2,303 | | | - | | | 2,303 | | | General and administrative expenses | | | 5,492 | | | 17 | | | 5,509 | | | Operating loss | | | (7,122) | | | (17) | | | (7,139) | |
| Nine months ended March 31, 2015 | | United States | | Brazil | | Total | | | | | | | | | | | | Net revenues | | $ | 1,535 | | $ | - | | $ | 1,535 | | | Research and development expenses | | | 2,731 | | | - | | | 2,731 | | | General and administrative expenses | | | 3,488 | | | 86 | | | 3,574 | | | Operating loss | | | (4,684) | | | (86) | | | (4,770) | |
| Total Assets for the Business Segments | | United States | | Brazil | | Total | | | | | | | | | | | | March 31, 2016 (unaudited) | | $ | 50,642 | | $ | 23 | | $ | 50,665 | | | June 30, 2015 | | | 12,448 | | | 46 | | | 12,494 | |
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