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Note 11 - Subsequent Events | 12 Months Ended
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Dec. 31, 2019
Notes to Financial Statements |
Subsequent Events [Text Block] | 1 1 . Subsequent Event s Reverse Stock Split Following approval by our shareholders at a meeting held on January 3, 2020, on January 21, 2020, we effected a one -for- two thousand reverse split of our common stock by the filing of an amendment to our certificate of incorporation with the State of Delaware. Conversions of Preferred Stock to Common Stock During the first quarter of 2020 (through March 23), all remaining Series H Preferred Stock ( 1,686 shares) and Series I Preferred Stock ( 700 shares) were converted into an aggregate of 13,481,349 shares of our common stock. Issuance of Series J P referred Stock On January 24, 2020, we entered into a Securities Purchase Agreement (the “Securities Purchase Agreement”) with the purchasers identified therein (the “Purchasers”) providing for the issuance and sale to the Purchasers of an aggregate of 300 shares of our Series J Convertible Preferred Stock (“Series G Preferred Stock”) for gross proceeds of $300,000. Our Series J Preferred Stock has rights and privileges as set forth in the pertinent Certificate of Designation of Preferences, Rights and Limitations, including a liquidation preference equal to the stated value per share. The Series J Preferred Stock has no voting rights and is not entitled to a dividend. The Series J Preferred Stock is convertible at any time at the option of the holders into shares of our common stock, at a conversion price equal to the lesser of (i) $2.00 per share and (ii) 80% of the volume weighted average price of the common stock during the ten trading days immediately preceding the delivery of a notice of conversion. The Series J Preferred Stock contains price adjustment provisions, which may, under certain circumstances reduce the conversion price to match if we sell or grant options to purchase, including rights to reprice, our common stock or common stock equivalents at a price lower than the then conversion price of the Series J Preferred Stock.

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- Definition The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 855 -URI http://asc.fasb.org/topic&trid=2122774 + Details
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