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Note 7 - Commitments and Contingencies | 6 Months Ended
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Jun. 30, 2021
Notes to Financial Statements |
Commitments and Contingencies Disclosure [Text Block] | 7. COMMITMENTS AND CONTINGENCIES The SEC is conducting a non-public investigation to determine whether there have been violations of the federal securities laws relating to the trading of the Company’s securities and/or its public disclosures. The Company has fully cooperated with the SEC and continues to do so. The amount of time needed to resolve this matter is uncertain, and the Company cannot predict the outcome or whether it will face additional governmental inquiries or other actions.

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