Note 3 - Discontinued Operations - Discontinued Operations (Details) - USD ($) |
12 Months Ended | |
|---|---|---|
Dec. 31, 2018 |
Dec. 31, 2017 |
|
| Accrued liabilities | $ 7,092 | |
| Liabilities associated with discontinued operations, current | 7,092 | |
| Lymphoseek sales revenue | 2,917,213 | |
| Cost of goods sold | 364,192 | |
| Gross profit | 2,553,021 | |
| Operating expenses of discontinued operation: | ||
| Research and development | (1,835) | 383,446 |
| Selling, general and administrative | 961,873 | |
| Total operating expenses | (1,835) | 1,345,319 |
| Income from discontinued operations | 1,835 | 1,207,702 |
| Interest expense | (1,706,491) | |
| Income (loss) before income taxes | 1,835 | (498,789) |
| (Provision for) benefit from income taxes | (385) | 8,031 |
| Income (loss) from discontinued operations | $ 1,449 | $ (490,758) |
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of research and development expense attributable to disposal group, including, but not limited to, discontinued operation. No definition available.
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| X | ||||||||||
- Definition Amount of sales revenue attributable to disposal group, including, but not limited to, discontinued operation. No definition available.
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| X | ||||||||||
- Definition Amount before tax of income (loss) from operations classified as a discontinued operation. Excludes gain (loss) on disposal and provision for gain (loss) until its disposal. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount after tax of income (loss) from operations classified as a discontinued operation. Excludes gain (loss) on disposal and provision for gain (loss) until disposal. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of tax expense (benefit) attributable to income (loss) from operations classified as a discontinued operation. Excludes tax expense (benefit) for gain (loss) on disposal and for provision for gain (loss) until disposal. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount classified as accrued liabilities attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of costs of goods sold attributable to disposal group, including, but not limited to, discontinued operation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of general and administrative expense attributable to disposal group, including, but not limited to, discontinued operation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of gross profit attributable to disposal group, including, but not limited to, discontinued operation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of interest expense attributable to disposal group, including, but not limited to, discontinued operation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of operating expense attributable to disposal group, including, but not limited to, discontinued operation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of operating income (loss) attributable to disposal group, including, but not limited to, discontinued operation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount classified as liabilities attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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