| 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. | Year ended June 30, 2016 | | United States | | Brazil | | Total | | | | | | | | | | | | | | | Net revenues | | $ | 948 | | $ | - | | $ | 948 | | | Research and development expenses | | | 3,156 | | | - | | | 3,156 | | | General and administrative expenses | | | 7,663 | | | 22 | | | 7,685 | | | Operating loss | | | (9,871) | | | (22) | | | (9,893) | | | Interest expense | | | (807) | | | - | | | (807) | | | Interest and other income | | | 43 | | | - | | | 43 | | | Consolidated net loss | | | (10,635) | | | (22) | | | (10,657) | | | Total assets | | | 51,580 | | | 20 | | | 51,600 | | | Fixed assets, net | | | 25,574 | | | - | | | 25,574 | | | Intangible assets, net | | | 2,092 | | | - | | | 2,092 | | | Depreciation expense | | | 575 | | | 2 | | | 577 | | | Amortization of intangible assets | | | 363 | | | - | | | 363 | | | Year ended June 30, 2015 | | United States | | Brazil | | Total | | | | | | | | | | | | | | | Net revenues | | $ | 1,851 | | $ | - | | $ | 1,851 | | | Research and development expenses | | | 3,495 | | | - | | | 3,495 | | | General and administrative expenses | | | 4,929 | | | 93 | | | 5,022 | | | Operating loss | | | (6,573) | | | (93) | | | (6,666) | | | Interest expense | | | - | | | - | | | - | | | Interest and other income | | | 41 | | | - | | | 41 | | | Consolidated net loss | | | (6,532) | | | (93) | | | (6,625) | | | Total assets | | | 12,448 | | | 46 | | | 12,494 | | | Fixed assets, net | | | 3 | | | 10 | | | 13 | | | Intangible assets, net | | | 2,360 | | | - | | | 2,360 | | | Depreciation expense | | | 3 | | | 2 | | | 5 | | | Amortization of intangible assets | | | 358 | | | - | | | 358 | |
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