STOCKHOLDERS' EQUITY | NOTE 4 - STOCKHOLDERS’ EQUITY Stock based compensation There were 0 and 275,000 shares of Common Stock issued for services in the three- and six-month period ended June 30, 2019. During the six-month period ended June 30, 2019, 63,412 employee options were exercised, and 120,000 options were issued. The options issued in 2019, were recorded at a fair value of $183 and vested immediately. During the three- and six-month period ended June 30, 2019, stock based compensation expense of $111 and $404 was recorded for options that vested, respectively. The fair value for options granted in 2019 is estimated at the date of grant using a Black-Scholes-Merton options pricing model with the following underlying assumptions: Price at valuation $ 3.40 Exercise price $ 3.40 Risk free interest 2.79 % Expected term (in years) 5 Volatility 48 % The total stock-based expense recognized in the financial statements for services received from employees and non-employees is shown in the following table. Three Months Ended Six Months Ended June 30, June 30, 2019 2018 2019 2018 Research and development $ — $ — $ — $ 7 Selling and marketing 11 — 22 3 General and administrative 100 60 1,424 158 Total $ 111 $ 60 $ 1,446 $ 168 As of June 30, 2019, the total unrecognized estimated compensation cost related to non-vested stock options granted prior to that date was $379, which is expected to be recognized over a weighted average period of approximately 1.22 years. Series E Preferred Stock During the second quarter of 2019, the Company designated 3,999,494 shares of Series E Preferred Stock, par value $0.001 per share. Pursuant to the Series E Certificate of Designation (“COD”), each share of Series E Preferred Stock is convertible, at any time, at the option of the Series E Holder thereof, into one share of common stock, par value $0.001 per share, of the Company, subject to adjustments such as stock dividends and stock splits. Series E Holders are entitled to receive cash dividends, on an as-if-converted basis, equal to the amount actually paid on shares of the Common Stock. Additionally, Series E Holders of each share of Series E Preferred Stock will be entitled to vote with the holders of the Common Stock on an as-converted basis. On June 21, 2019, the Company, entered into and closed a private placement Securities Purchase Agreement (the “Securities Purchase Agreement”) with certain existing stockholders (the “June Investors”), relating to the sale to such June Investors of (i) 1,600,000 shares of the Company’s Series E Convertible Preferred Stock, par value $0.001 per share (the “Series E Preferred Stock”), and warrants (the “June Warrants”) to purchase 1,600,000 shares of Series E Preferred Stock at an exercise price of $2.50 per share, at a purchase price per unit of $2.00 (the “June Financing”), for aggregate gross proceeds of $3,200,000 (excluding the exercise of the June Warrants issued in the June Financing). These Series E Preferred Shares are classified within permanent equity on the Company’s consolidated balance sheet as they do not meet the criteria that would require presentation outside of permanent equity under ASC 480 Distinguishing Liabilities from Equity Warrants During the six months ended June 30, 2019, the Company issued warrants to purchase 190,000 shares of the Company’s Common Stock or series C preferred stock, par value $0.001 per share (“Series C Preferred Stock”), at an exercise price of the lesser i.e. In June 2019, the Company issued 1,600,000 warrants to purchase 1,600,000 shares of Series E Preferred Stock in the June Financing. Warrant modification On February 5, 2019, the Company entered into amendments to its two-year warrants (the “Warrant Amendment”) to purchase an aggregate of 266,667 shares of Common Stock at an exercise price of $3.00 per share (the “$3.00 Warrants”) and warrants to purchase an aggregate of 420,000 shares of Common Stock at an exercise price of $6.00 per share (the “$6.00 Warrants”), issued in January and February 2015, to extend the expiration date of the warrants for two additional years. The warrants were previously extended for two years in January 2017. In addition, the Warrant Amendment amended the exercise price with respect to the $3.00 Warrants from $3.00 per share to $3.35 per share. The exercise price of the $6.00 Warrants was unchanged. Pursuant to the Warrant Amendment, warrants to purchase 266,667 shares of Common Stock at $3.35 per share and warrants to purchase 266,667 shares of Common Stock at $6.00 per share will expire on January 29, 2021, and warrants to purchase 140,000 shares of Common Stock at $6.00 per share will expire on February 10, 2021, and warrants to purchase 13,333 shares of Common Stock at $6.00 per share will expire on February 23, 2021. The Warrant Amendment is effective as of January 29, 2019. All other terms of the original warrants remain the same. The Warrant Amendment was accounted for in warrant modification expense, which was measured at the amount equal to the incremental value reflecting the change in the fair value of the warrants before and after the Warrant Amendment. Accordingly, warrant modification expense in the amount of $412 was recorded with a corresponding increase in the additional paid-in capital. In estimating the warrants’ fair value, the Company used the following assumptions: Risk free interest 2.56 % Dividend yield 0 % Volatility 55.6% -56.5 % Contractual term (in years) 2 |