nature and the contractual terms of those instruments. The fair values of money market funds are based upon the quoted prices in active markets provided by the holding financial institution, which are considered Level 1 inputs in the fair value hierarchy according to ASC820.
There have been no changes to the valuation methods utilized by the Company, nor were there transfers between levels of the fair value hierarchy.
For financial instruments represented by short-term receivables and payables, for which the present value of future cash flows does not differ significantly from the carrying value, the Company assumes that carrying value is a reasonable approximation of the fair value.
12. Common and Preferred Stock
As of June 30, 2021 and December 31, 2020, the authorized capital stock of the Company included 50,000,000 shares of common stock, $0.0001 par value and 10,000,000 shares of preferred stock, $0.0001 par value. As of June 30, 2021 and December 31, 2020, 11,876,460 and 7,694,642 shares of common stock, $0.0001 par value, were issued and outstanding.
NaN preferred stocks were outstanding as of June 30, 2021. There were 1,346,390 (1,185,879 after the 1-for-0.880784 reverse stock split) shares of Series A Preferred Stock, par value $ 0.0001 and 3,366,999 (2,965,000 after the 1-for-0.880784 reverse stock split) shares of Series B Preferred Stock, par value $0.0001, issued and outstanding as of December 31, 2020. The stock split did not result in any change of the original par value of the Company common and preferred stock.
Upon closing of the IPO, the Preferred Stock, as resulting from the reverse stock split, were converted to common stock at a ratio of 1-for-1.The holders of the Company’s Preferred Stock had certain voting, dividend, and redemption rights, as well as liquidation preferences and conversion privileges. All rights, preferences, and privileges associated with the preferred stock were terminated at the time of the Company’s IPO in conjunction with the conversion of all outstanding shares of Preferred Stock into shares of common stock.
13. Equity Incentive Plan
The Company’s Equity Incentive Plan, adopted by the Board in September 2020, consists of the 2020 Omnibus Incentive Plan (the “2020 Omnibus Plan”). The 2020 Omnibus Plan provides for the granting of equity-based awards to our named executive officers, other employees, consultants, and non-employee directors at a price to be determined by the Board of Directors. The 2020 Omnibus Plan is intended to encourage ownership of stock by employees and consultants of the Company and to provide additional incentives for them to promote the success of the Company’s business. The maximum number of shares available to be issued under the 2020 Omnibus Plan is 1,310,000. The 2020 Omnibus Plan expires after ten years, unless terminated prior to that date by the Board of Directors. The Board of Directors is responsible for determining the individuals to be granted options, the number of options each individual will receive, the option price per share, and the exercise period of each option. No option will have a term in excess of 10 years. The exercise price for a stock option awarded under the 2020 Omnibus Plan shall not be less than the fair market value of the Company’s common stock on the date of the grant.
On March 3, 2021, the Board approved a 1-for-0.880784 reverse stock split of the Company’s outstanding equity instruments. The reverse stock split was approved by the stockholders on March 4, 2021 and became effective on March 17, 2021. Shares of common stock underlying outstanding stock options and other equity instruments were proportionately reduced from 588,000 to 517,902 and the respective exercise prices, if applicable, were proportionately increased from $2.97 to $3.38 in accordance with the terms of the agreements governing such securities.
The stock split did not impact the fair value of the stock option previously recorded and no modification accounting is required because all the three following conditions were met: (i) the fair value of the modified award is the same as the fair value of the original award immediately before the original award is modified; (ii) the vesting conditions of the modified award are the same as the vesting conditions of the original award immediately before the original award