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Note 13 - Commitment (Details Textual) - USD ($) |  | 3 Months Ended | 9 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Mar. 25, 2020 | Sep. 30, 2020 | Sep. 30, 2020 | Mar. 30, 2020 | Feb. 14, 2020 | Nov. 11, 2015
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) |  |  |  | $ 1.50 | $ 0.65 | $ 3.60
Technology Transfer Institute [Member] | Sales Incentive Agreement With TTI [Member] |  |  |  |  |  |
Related Party Agreement, Term (Year) | 1 year |  |  |  |  |
Related Party Transaction, Revenue Needed to Trigger Payment of Sales Incentive Fee | $ 5,000,000 |  |  |  |  |
Related Party Transaction, Revenue to Trigger Payment of Sales Incentive Fee, Percent of Net Income, Minimum | 20.00% |  |  |  |  |
Related Party Transaction, Sales Incentive Fee For Each 5 Million Revenue | $ 500,000 |  |  |  |  |
Stock Issuable for Sales Incentive Fee Per Each 5 Million Revenue (in shares) | 500,000 |  |  |  |  |
Related Party Transaction, Maximum Revenue, Warrants Issuable | $ 25,000,000 |  |  |  |  |
Revenue from Related Parties |  | $ 0 | $ 0 |  |  |
Technology Transfer Institute [Member] | Sales Incentive Agreement With TTI [Member] | Warrants Issuable for Each 1 Million Revenue in Excess of 20 Million [Member] |  |  |  |  |  |
Warrants and Rights Outstanding, Term (Year) | 5 years |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) | 100,000 |  |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | $ 1.50 |  |  |  |  |
Technology Transfer Institute [Member] | Sales Incentive Agreement With TTI [Member] | Maximum [Member] |  |  |  |  |  |
Related Party Transaction, Maximum Revenue to Trigger Payment of Sales Incentive Fee | $ 20,000,000 |  |  |  |  |
Stock Issuable for Sales Incentive Agreement (in shares) | 2,000,000 |  |  |  |  |
Technology Transfer Institute [Member] | Sales Incentive Agreement With TTI [Member] | Maximum [Member] | Warrants Issuable for Sales Incentive Agreement [Member] |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) | 500,000 |  |  |  |  |

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- Definition The maximum agreed upon revenue generated under the related party agreement which may trigger the payment of a sales incentive fee. + References No definition available. + Details
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- Definition Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-07.1(c)) -URI http://asc.fasb.org/extlink&oid=120401555&loc=SL114874292-224272 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1(e)) -URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227 + Details
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