Schedule of Segment Reporting Information, by Segment [Table Text Block] |
T
hree Months Ended
September
30, 2018
| | | | | | | | | | | | | Royalty revenue | | $ | 2,382 | | | $ | — | | | $ | — | | | $ | 2,382 | | License revenue | | | 19,930 | | | | — | | | | — | | | | 19,930 | | Grant and other revenue | | | 65,505 | | | | 143,641 | | | | — | | | | 209,146 | | Total revenue | | | 87,817 | | | | 143,641 | | | | — | | | | 231,458 | | Cost of revenue | | | 38,101 | | | | — | | | | — | | | | 38,101 | | Research and development expenses | | | 711,355 | | | | 514,415 | | | | — | | | | 1,225,770 | | Selling, general and administrative expenses, excluding depreciation and amortization (1)
| | | — | | | | 20,532 | | | | 2,630,581 | | | | 2,651,113 | | Depreciation and amortization (2)
| | | — | | | | — | | | | 37,590 | | | | 37,590 | | | | | (661,639 | ) | | | (391,306 | ) | | | (2,668,171 | ) | | | (3,721,116 | ) | | | | — | | | | — | | | | (24,534 | ) | | | (24,534 | ) | Income tax expense | | | (10,081 | ) | | | (3,879 | ) | | | (62,299 | ) | | | (76,259 | ) | Net loss from continuing operations | | | (671,720 | ) | | | (395,185 | ) | | | (2,755,004 | ) | | | (3,821,909 | ) | Net loss | | | (671,720 | ) | | | (395,185 | ) | | | (2,755,004 | ) | | | (3,821,909 | ) | Total assets, net of depreciation and amortization: | | | | | | | | | | | | | | | | | United States | | $ | 117,722 | | | $ | 72,622 | | | $ | 8,899,301 | | | $ | 9,089,645 | | International | | | 18,239 | | | | — | | | | 1,158 | | | | 19,397 | | Capital expenditures | | | — | | | | — | | | | 16,152 | | | | 16,152 | |
T
hree Months Ended
September
30, 2017
| | | | | | | | | | | | | Grant and other revenue | | $ | 210,479 | | | $ | 13,190 | | | $ | — | | | $ | 223,669 | | Research and development expenses | | | 734,539 | | | | 140,008 | | | | — | | | | 874,547 | | Selling, general and administrative expenses, excluding depreciation and amortization (1)
| | | — | | | | 13,359 | | | | 1,671,022 | | | | 1,684,381 | | Depreciation and amortization (2)
| | | — | | | | — | | | | 50,326 | | | | 50,326 | | | | | (524,060 | ) | | | (140,177 | ) | | | (1,721,348 | ) | | | (2,385,585 | ) | Other income | | | — | | | | — | | | | 69,071 | | | | 69,071 | | Income tax benefit | | | 175,496 | | | | 46,942 | | | | 553,312 | | | | 775,750 | | Net loss from continuing operations | | | (348,564 | ) | | | (93,235 | ) | | | (1,098,965 | ) | | | (1,540,764 | ) | Income from discontinued operations, net of tax | | | 5,399 | | | | — | | | | — | | | | 5,399 | | Gain on sale of discontinued operations, net of tax | | | 145,877 | | | | — | | | | — | | | | 145,877 | | Net loss | | | (197,288 | ) | | | (93,235 | ) | | | (1,098,965 | ) | | | (1,389,488 | ) | Total assets, net of depreciation and amortization: | | | | | | | | | | | | | | | | | United States | | $ | 14,675,489 | | | $ | 10,591 | | | $ | 7,835,426 | | | $ | 22,521,506 | | International | | | 82,334 | | | | — | | | | 1,867 | | | | 84,201 | | Capital expenditures | | | — | | | | — | | | | 23,247 | | | | 23,247 | |
Nine
Months Ended
September
30, 2018
| | | | | | | | | | | | | Royalty revenue | | $ | 9,842 | | | $ | — | | | $ | — | | | $ | 9,842 | | License revenue | | | 277,639 | | | | — | | | | — | | | | 277,639 | | Grant and other revenue | | | 454,830 | | | | 307,719 | | | | — | | | | 762,549 | | Total revenue | | | 742,311 | | | | 307,719 | | | | — | | | | 1,050,030 | | Cost of revenue | | | 73,811 | | | | — | | | | — | | | | 73,811 | | Research and development expenses | | | 2,409,524 | | | | 957,920 | | | | — | | | | 3,367,444 | | Selling, general and administrative expenses, excluding depreciation and amortization (1)
| | | — | | | | 45,769 | | | | 6,095,617 | | | | 6,141,386 | | Depreciation and amortization (2)
| | | — | | | | — | | | | 113,088 | | | | 113,088 | | | | | (1,741,024 | ) | | | (695,970 | ) | | | (6,208,705 | ) | | | (8,645,699 | ) | | | | — | | | | — | | | | (4,284,014 | ) | | | (4,284,014 | ) | Income tax expense | | | (8,797 | ) | | | (3,517 | ) | | | (53,017 | ) | | | (65,330 | ) | Net loss from continuing operations | | | (1,749,821 | ) | | | (699,487 | ) | | | (10,545,736 | ) | | | (12,995,043 | ) | Loss from discontinued operations, net of tax | | | (1,938 | ) | | | — | | | | — | | | | (1,938 | ) | Gain on sale of discontinued operations, net of tax | | | 43,053 | | | | — | | | | — | | | | 43,053 | | Net loss | | | (1,708,706 | ) | | | (699,487 | ) | | | (10,545,736 | ) | | | (12,953,928 | ) | Total assets, net of depreciation and amortization: | | | | | | | | | | | | | | | | | United States | | $ | 117,722 | | | $ | 72,622 | | | $ | 8,899,301 | | | $ | 9,089,645 | | International | | | 18,239 | | | | — | | | | 1,158 | | | | 19,397 | | Capital expenditures | | | — | | | | — | | | | 19,317 | | | | 19,317 | |
Nine
Months Ended
September
30, 2017
| | | | | | | | | | | | | License revenue | | $ | 100,000 | | | $ | — | | | $ | — | | | $ | 100,000 | | Grant and other revenue | | | 1,200,216 | | | | 115,082 | | | | — | | | | 1,315,298 | | Total revenue | | | 1,300,216 | | | | 115,082 | | | | — | | | | 1,415,298 | | Research and development expenses | | | 2,255,842 | | | | 509,853 | | | | — | | | | 2,765,695 | | Selling, general and administrative expenses, excluding depreciation and amortization (1)
| | | — | | | | 19,342 | | | | 8,789,728 | | | | 8,809,070 | | Depreciation and amortization (2)
| | | — | | | | — | | | | 197,655 | | | | 197,655 | | | | | (955,626 | ) | | | (414,113 | ) | | | (8,987,383 | ) | | | (10,357,122 | ) | | | | — | | | | — | | | | (1,061,190 | ) | | | (1,061,190 | ) | Income tax benefit | | | 323,149 | | | | 140,034 | | | | 3,397,972 | | | | 3,861,156 | | Net loss from continuing operations | | | (632,477 | ) | | | (274,079 | ) | | | (6,650,601 | ) | | | (7,557,156 | ) | Loss from discontinued operations, net of tax | | | (332,838 | ) | | | — | | | | — | | | | (332,838 | ) | Gain on sale of discontinued operations, net of tax | | | 86,894,000 | | | | — | | | | — | | | | 86,894,000 | | Net income (loss) | | | 85,928,685 | | | | (274,079 | ) | | | (6,650,601 | ) | | | 79,004,006 | | Total assets, net of depreciation and amortization: | | | | | | | | | | | | | | | | | United States | | $ | 14,675,489 | | | $ | 10,591 | | | $ | 7,835,426 | | | $ | 22,521,506 | | International | | | 82,334 | | | | — | | | | 1,867 | | | | 84,201 | | Capital expenditures | | | — | | | | — | | | | 31,417 | | | | 31,417 | |
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