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Common Stock | 6 Months Ended
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Jun. 30, 2021
Common Stock |
Note 6 - Common Stock | Note 6 - Common Stock As of June 30, 2021, the Company was authorized to issue 100 million shares of common stock par value $0.001 per share, of which 53,144,082 and 48,607,017 shares were issued and outstanding as of June 30, 2021 and December 31, 2020, respectively. Stock Option Exercises and RSU Settlements From January 13, 2021 to March 19, 2021, 7,634 stock options were exercised to purchase shares of common stock at $3.35 per share in a cashless exercise that resulted in the issuance of 948 shares of common stock. On January 20, 2021, 5,000 RSUs vested and resulted in the issuance of 3,000 shares of common stock (the remaining 2,000 shares were withheld for taxes and returned as authorized shares under the 2015 Stock Incentive Plan). On February 2, 2021, 20,000 stock options were exercised to purchase shares of common stock at $3.80 per share in a cashless exercise that resulted in the issuance of 6,181 shares of common stock. On February 8, 2021, 100,000 stock options were exercised to purchase shares of common stock at $5.00 per share in a cashless exercise that resulted in the issuance of 19,446 shares of common stock. From February 8, 2021 to February 9, 2021, 100,000 stock options were exercised to purchase shares of common stock at $4.00 per share in cashless exercises that resulted in the issuance of 32,126 shares of common stock. On February 8, 2021, 50,000 stock options were exercised to purchase shares of common stock at $3.25 per share in a cashless exercise that resulted in the issuance of 18,750 shares of common stock. On April 13, 2021, 26,250 RSUs vested and resulted in the issuance of 21,712 shares of common stock (the remaining 4,538 shares were withheld for taxes and returned as authorized shares under the 2015 Stock Incentive Plan). Equity Capital Raise On February 10, 2021, the Company entered into an underwriting agreement (the "Underwriting Agreement") with Cantor Fitzgerald & Co. (the "Underwriter") in connection with an underwritten public offering of 3,809,524 shares (the "Firm Shares") of the Company's common stock pursuant to the Company's shelf registration statement on Form S-3 (declared effective by the SEC on September 28, 2018, File No. 333-227248). The Underwriter purchased the Firm Shares from the Company at a price of $4.9533 per share on February 12, 2021. The net proceeds received by the Company for the sale and issuance of the Firm Shares were approximately $18.9 million. Under the terms of the Underwriting Agreement, the Company granted the Underwriter an option, exercisable for 30 days, to purchase up to an additional 571,428 shares of Common Stock at the same price per share as the Firm Shares which option was not exercised. Equity Distribution Agreements On November 10, 2020, the Company entered into an equity distribution agreement (the "2020 EDA") with Cantor Fitzgerald & Co. ("Cantor") and Oppenheimer & Co. Inc. ("Oppenheimer"), to sell shares of its common stock having an aggregate offering price of up to $25.0 million from time-to-time, through an "at the market offering program" pursuant to the Company's effective "shelf" registration statement on Form S-3 (File No. 333-227248) and related prospectuses, through Cantor and Oppenheimer each acting as the Company's agent and/or principal. The Company is not obligated to sell any shares under the 2020 EDA. During the three months ended June 30, 2021, the Company raised aggregate net proceeds (net of broker's commissions and fees) of $857,211 under the 2020 EDA through the sale of 251,369 shares of its common stock. From inception through June 30, 2021, the Company raised aggregate net proceeds (net of broker's commissions and fees) of $1,201,167 under the 2020 EDA through the sale of 316,769 shares of its common stock. On September 7, 2018, the Company entered into an equity distribution agreement (as amended, the "2018 EDA") with Oppenheimer to sell shares of common stock having an aggregate offering price of up to $10.0 million from time-to-time, through an "at the market offering program" pursuant to the Company's effective "shelf" registration statement on Form S-3 (File No 333-227248) and related prospectuses, through Oppenheimer acting as the Company's agent and/or principal. From inception through March 31, 2021, the Company raised aggregate net proceeds (net of broker's commissions and fees) of approximately $9.7 million under the 2018 EDA through the sale of 2,539,606 shares of its common stock and fully utilized the availability under the 2018 EDA during the quarter ended March 31, 2021. No further sales will be made under the 2018 EDA.

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- Definition The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(e)(1)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -URI http://asc.fasb.org/topic&trid=2208762 + Details
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