Note 3 - Discontinued Operations (Details) - Disposal Groups, Including Discontinued Operations - Yield Endurance [Member] |
4 Months Ended |
|---|---|
|
Dec. 31, 2018
USD ($)
| |
| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] | |
| Assets of discontinued operations disposed in sale | $ (9,415) |
| Liabilities of discontinued operations disposed in sale | 9,648,488 |
| Fair value of warrants to purchase 384,615 shares of common stock to buyer | (1,601,008) |
| Gain on disposal of discontinued operations | $ 8,038,065 |
| X | ||||||||||
- Definition Fair value of warrants to purchase shares of common stock. No definition available.
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| X | ||||||||||
- Definition Amount classified as assets attributable to disposal group held for sale or disposed of. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount after tax of gain (loss) not previously recognized resulting from the disposal of a discontinued operation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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| X | ||||||||||
- Definition Amount classified as liabilities attributable to disposal group held for sale or disposed of. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Details
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