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Note 1 - Nature of Business, Financial Condition, Basis of Presentation (Details Textual) |  |  |  | 1 Months Ended | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | --- | --- | --- | ---
Dec. 15, 2020 shares | Dec. 10, 2020 USD ($) $ / shares | Dec. 08, 2020 | Feb. 11, 2021 shares | Jun. 30, 2020 USD ($) shares | Dec. 31, 2020 USD ($) shares | Sep. 30, 2020 shares | Dec. 31, 2019 USD ($) | Dec. 31, 2020 USD ($) shares | Dec. 31, 2019 USD ($) | Feb. 05, 2021 USD ($) shares
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Ending Balance |  |  |  |  |  | $ 62,300,000 |  |  | $ 62,300,000 |  |
Revenue from Contract with Customer, Including Assessed Tax |  |  |  |  |  | 15,147,034 |  | $ 3,175,236 | $ 28,667,280 | $ 4,615,062 |
Increase (Decrease) in Revenues, Percentage |  |  |  |  |  |  |  |  | 377.00% | 521.00% |
Net Cash Provided by (Used in) Operating Activities, Total |  |  |  |  |  |  |  |  | $ (10,900,299) | $ (9,087,054) |
Assets, Current, Total |  |  |  |  | $ 74,965,772 | 92,537,465 |  |  | $ 92,537,465 |  |
Proceeds from Issuance of Common Stock |  |  |  |  |  | $ 29,600,000 |  |  |  |  |
Class of Warrant or Right, Issued During Period (in shares) | shares |  |  |  |  |  |  |  |  | 403,760 |  |
Debt Conversion, Converted Instrument, Amount |  |  |  |  |  |  |  |  | $ 1,057,559 |  |
Reverse Stock Split [Member] |  |  |  |  |  |  |  |  |  |  |
Stockholders' Equity Note, Stock Split, Conversion Ratio |  |  | 10 |  |  |  |  |  |  |  |
Conversion of Debt to Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |
Debt Conversion, Original Debt, Amount |  | $ 800,000 |  |  |  |  |  |  |  |  |
Debt Conversion, Converted Instrument, Amount |  | 100,000 |  |  |  |  |  |  |  |  |
Placement Agent Warrants [Member] |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Issued During Period (in shares) | shares | 300,000 |  |  |  |  |  |  |  |  |  |
At-the-market Offering [Member] |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) | shares |  |  |  |  | 430,230 | 352,912 | 0 |  |  |  |
December 15, 2020 Offering [Member] |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) | shares | 4,800,000 |  |  |  |  |  |  |  |  |  |
Bridge Commitment Letter [Member] |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  | $ 5,000,000 |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  | 6.00% |  |  |  |  |  |  |  |  |
Debt Instrument, Increase in Stated Rate Upon Default, Percentage |  | 2.00% |  |  |  |  |  |  |  |  |
Subsequent Event [Member] | At-the-market Offering [Member] |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues (in shares) | shares |  |  |  | 0 |  |  |  |  |  |  |
Neos Therapeutics, Inc. [Member] |  |  |  |  |  |  |  |  |  |  |
Merger Agreement, Exercise Price of Stock Options (in dollars per share) | $ / shares |  | $ 0.95 |  |  |  |  |  |  |  |  |
Merger Agreement, Exchange Ratio |  | 0.1088 |  |  |  |  |  |  |  |  |
Merger Agreement, Reduction in Exchange Ratio Per $100,000 of Financing Funded |  | 0.00011 |  |  |  |  |  |  |  |  |
Neos Therapeutics, Inc. [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |
Merger Agreement, Shares to be Issued, Shares (in shares) | shares |  |  |  |  |  |  |  |  |  |  | 5,400,000
Merger Agreement, Shares to be Issued, Value |  |  |  |  |  |  |  |  |  |  | $ 44,200,000
Neo Stockholders [Member] |  |  |  |  |  |  |  |  |  |  |
Common Stock Ownership, Percent |  | 24.00% |  |  |  |  |  |  |  |  |
Existing Company Stockholders [Member] |  |  |  |  |  |  |  |  |  |  |
Common Stock Ownership, Percent |  | 76.00% |  |  |  |  |  |  |  |  |

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