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Subsequent Events | 12 Months Ended
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Dec. 31, 2019
Subsequent Events [Abstract] |
Subsequent Events | NOTE 15 – Subsequent Events In January 2020, the Company entered into a Securities Purchase Agreement (the “SPA”) with certain institutional investors (the “Institutional Private Placement”). Pursuant to the SPA, the Company issued and sold 1,640 shares of the Company’s Series D Convertible Preferred Stock (the “Series D Preferred Stock”), warrants to purchase 779,600 shares of the Company’s Common Stock (the “Common Warrants”) and warrants to purchase 6,156 shares of the Series D Preferred Stock (the “Preferred Warrants”) for a total gross purchase price of $1,600,000. The Series D Preferred Stock is initially convertible into 164,000 shares of Common Stock, the Preferred Warrants have an initial exercise price of $975.00 per share, and the Common Warrants have an initial exercise price of $10.00 per share. Concurrent with the Institutional Private Placement, the Company entered into a Securities Purchase Agreement (the “SPA”) with certain of its directors and the Company’s largest shareholder (the “Other Private Placement”). Pursuant to the SPA, the Company issued and sold 333.33 shares of the Company’s Series E Convertible Preferred Stock (the “Series E Preferred Stock”), and Class A Warrants to purchase 48,544 shares of the Company’s Common Stock (the “Common Warrants”) for a total gross purchase price of $500,000. The Series E Preferred Stock is initially convertible into 48,544 shares of Common Stock, and the Class A Warrants have an initial exercise price of $11.30 per share. Sigma also issued Dawson James Securities, Inc., its placement agent in the foregoing private placement, warrants to purchase up to 17,004 shares of Common Stock, at an initial exercise price of $11.30 per share as partial compensation. Total net proceeds from the private placements were approximately $1,711,124, after deducting placement commissions and other offering expenses payable by the Company. On January 31, 2020, the Company paid off its Secured Convertible Promissory Note in full in the amount of $56,458, including accrued interest of $1,458 and a late fee penalty of $5,000. Effective February 27, 2020, our Amended and Restated Articles of Incorporation were amended pursuant to a Certificate of Change Pursuant to Nevada Revised Statutes 78.209 (the “Certificate of Change”) filed with the Nevada Secretary of State. The Certificate of Change provided for both a reverse stock split of the outstanding shares of our common stock on a 1-for-10 basis (the “Reverse Stock Split”), and a corresponding decrease in the number of shares of our common stock that we are authorized to issue (the “Share Decrease”). As a result of the Reverse Stock Split, the number of issued and outstanding shares of our common stock decreased from 14,500,823 pre-Reverse Stock Split shares to 1,450,082 post-Reverse Stock Split shares (after adjustment for any fractional shares). Pursuant to the Share Decrease, the number of authorized shares of our common stock decreased from 22,500,000 to 2,500,000 shares of common stock, $0.001 par value per share.

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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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