Note 8 - Inventory (Details Textual) - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
|
| Inventory Valuation Reserves | $ 748 | $ 0 | |
| Increase (Decrease) in Inventories | (1,470,826) | 861,274 | $ (135,986) |
| Disposal Group, Including Discontinued Operation, Inventory | 1,374,618 | ||
| TC 99 M Tilmanocept [Member] | |||
| Increase (Decrease) in Inventories | 131,000 | ||
| Inventory Write-down | $ 43,000 | ||
| X | ||||||||||
- Definition Amount classified as inventory attributable to disposal group held for sale or disposed of. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition The increase (decrease) during the reporting period in the aggregate value of all inventory held by the reporting entity, associated with underlying transactions that are classified as operating activities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of valuation reserve for inventory. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of loss from reductions in inventory due to subsequent measurement adjustments, including, but not limited to, physical deterioration, obsolescence, or changes in price levels. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Details
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