Schedule of Segment Reporting Information, by Segment [Table Text Block] |
Three Months Ended September 30, 201
| | | | | | | | | | | | | Tc99m tilmanocept sales revenue :
| | | | | | | | | | | | | | | | | | | $ | — | | | $ | — | | | $ | — | | | $ | — | | | | | — | | | | — | | | | — | | | | — | | Tc99m tilmanocept license revenu e
| | | — | | | | — | | | | — | | | | — | | | | | 210,479 | | | | 13,190 | | | | — | | | | 223,669 | | | | | 210,479 | | | | 13,190 | | | | — | | | | 223,669 | | Cost of goods sold, excluding depreciation and amortizatio n
| | | — | | | | — | | | | — | | | | — | | Research and development expenses , excluding depreciation and amortization
| | | 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
| | | — | | | | — | | | | 50,326 | | | | 50,326 | | | | | (524,060 | ) | | | (140,177 | ) | | | (1,721,348 | ) | | | (2,385,585 | ) | | | | — | | | | — | | | | 69,071 | | | | 69,071 | | | | | 175,496 | | | | 46,942 | | | | 553,312 | | | | 775,750 | | Net loss from continuing operation s
| | | (348,564 | ) | | | (93,235 | ) | | | (1,098,965 | ) | | | (1,540,764 | ) | Income from discontinued operations, net of ta x
| | | 5,399 | | | | — | | | | — | | | | 5,399 | | Gain on sale of discontinued operations, net of ta x
| | | 145,877 | | | | — | | | | — | | | | 145,877 | | | | | (197,288 | ) | | | (93,235 | ) | | | (1,098,965 | ) | | | (1,389,488 | ) | Total assets, net of depreciation and amortization :
| | | | | | | | | | | | | | | | | | | | 14,675,489 | | | | 10,591 | | | | 7,835,426 | | | | 22,521,506 | | | | | 82,334 | | | | — | | | | 1,867 | | | | 84,201 | | Capital expenditures | | | — | | | | — | | | | 23,247 | | | | 23,247 | |
| | | | | | | | | | | | | Tc99m tilmanocept sales revenue:
| | | | | | | | | | | | | | | | | United States | | $ | — | | | $ | — | | | $ | — | | | $ | — | | International | | | 17,601 | | | | — | | | | — | | | | 17,601 | | Tc99m tilmanocept license revenue
| | | 1,295,625 | | | | — | | | | — | | | | 1,295,625 | | Grant and other revenue | | | 500,628 | | | | 10,346 | | | | — | | | | 510,974 | | Total revenue | | | 1,813,854 | | | | 10,346 | | | | — | | | | 1,824,200 | | Cost of goods sold, excluding depreciation and amortization | | | 2,889 | | | | — | | | | — | | | | 2,889 | | Research and development expenses, excluding depreciation and amortization | | | 671,777 | | | | 247,664 | | | | — | | | | 919,441 | | Selling, general and administrative expenses, excluding depreciation and amortization
| | | — | | | | 27,758 | | | | 1,694,073 | | | | 1,721,831 | | Depreciation and amortization
| | | — | | | | — | | | | 89,849 | | | | 89,849 | | Income (l oss) from operations (
3
)
| | | 1,139,188 | | | | (265,076 | ) | | | (1,783,922 | ) | | | (909,810 | ) | | | | — | | | | — | | | | (851,637 | ) | | | (851,637 | ) | Net income (loss) from continuing operations
| | | 1,139,188 | | | | (265,076 | ) | | | (2,635,559 | ) | | | (1,761,447 | ) | Income from discontinued operations, net of tax
| | | 1,701,911 | | | | — | | | | — | | | | 1,701,911 | | | | | 2,841,099 | | | | (265,076 | ) | | | (2,635,559 | ) | | | (59,536 | ) | Total assets, net of depreciation and amortization: | | | | | | | | | | | | | | | | | United States | | | 4,950,756 | | | | 9,356 | | | | 6,080,567 | | | | 11,040,679 | | International | | | 148,224 | | | | — | | | | 697 | | | | 148,921 | | Capital expenditures | | | — | | | | — | | | | — | | | | — | |
Nine
Months Ended
September
30, 2017
| | | | | | | | | | | | | Tc99m tilmanocept sales revenue: | | | | | | | | | | | | | | | | | United States | | $ | — | | | $ | — | | | $ | — | | | $ | — | | International | | | — | | | | — | | | | — | | | | — | | Tc99m tilmanocept 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 | | Cost of goods sold, excluding depreciation and amortization | | | — | | | | — | | | | — | | | | — | | Research and development expenses, excluding depreciation and amortization | | | 2,255,842 | | | | 509,853 | | | | — | | | | 2,765,695 | | Selling, general and administrative expenses, excluding depreciation and amortization
| | | — | | | | 19,342 | | | | 8,789,728 | | | | 8,809,070 | | Depreciation and amortization
| | | — | | | | — | | | | 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 | |
Nine
Months Ended
September
30
, 2016
| | | | | | | | | | | | | Tc99m tilmanocept sales revenue: | | | | | | | | | | | | | | | | | United States | | $ | — | | | $ | — | | | $ | — | | | $ | — | | International | | | 30,800 | | | | — | | | | — | | | | 30,800 | | Tc99m tilmanocept license revenue | | | 1,795,625 | | | | — | | | | — | | | | 1,795,625 | | Grant and other revenue | | | 2,051,622 | | | | 61,798 | | | | — | | | | 2,113,420 | | Total revenue | | | 3,878,047 | | | | 61,798 | | | | — | | | | 3,939,845 | | Cost of goods sold, excluding depreciation and amortization | | | 5,185 | | | | — | | | | — | | | | 5,185 | | Research and development expenses, excluding depreciation and amortization | | | 4,410,133 | | | | 600,790 | | | | — | | | | 5,010,923 | | Selling, general and administrative expenses, excluding depreciation and amortization
| | | — | | | | 31,590 | | | | 5,542,034 | | | | 5,573,624 | | Depreciation and amortization
| | | — | | | | — | | | | 258,999 | | | | 258,999 | | | | | (537,271 | ) | | | (570,582 | ) | | | (5,801,033 | ) | | | (6,908,886 | ) | Other income, excluding equity in loss of R-NAV, LLC
| | | — | | | | — | | | | 1,664,265 | | | | 1,664,265 | | Equity in loss of R-NAV, LLC | | | — | | | | — | | | | (15,159 | ) | | | (15,159 | ) | Net loss from continuing operations | | | (537,271 | ) | | | (570,582 | ) | | | (4,151,927 | ) | | | (5,259,780 | ) | Loss from discontinued operations, net of tax | | | (5,167,312 | ) | | | — | | | | — | | | | (5,167,312 | ) | Net loss | | | (5,704,583 | ) | | | (570,582 | ) | | | (4,151,927 | ) | | | (10,427,092 | ) | Total assets, net of depreciation and amortization: | | | | | | | | | | | | | | | | | United States | | | 4,950,756 | | | | 9,356 | | | | 6,080,567 | | | | 11,040,679 | | International | | | 148,224 | | | | — | | | | 697 | | | | 148,921 | | Capital expenditures | | | — | | | | — | | | | 1,847 | | | | 1,847 | |
|