purchase common stock upon the IPO as discussed in Note 4, at a purchase price of $1.53 per share. The expiration date of the warrant is September 27, 2029. The holder may at any time and from time to time exercise this warrant, in whole or in part, and on any exercise of the warrant, the holder may elect to receive shares equal to the value of the warrant or portion. The initial warrant value of $192 was recorded as a debt discount and is being amortized over the term of the Innovatus Term Loan. See Note 4 for valuation of warrant.
For the nine months ended September 30, 2021, the Company entered into 2 leases for staining equipment, computer equipment and furniture which are classified as capital lease obligations in the consolidated balance sheets as of September 30, 2021. In 2020, the Company entered into a lease for staining equipment which is classified as a capital lease in the consolidated balance sheets. As of September 30, 2021, and December 31, 2020, the current portion of the lease obligations totaled $279 and $197, respectively, and the long-term portion totaled $262 and $277, respectively.
(9) Stockholder’s equity (deficit)
In February 2021, the Board approved and in April 2021, the Company’s stockholders approved the number of shares of common stock authorized for issuance under the 2015 Plan (as defined below) to be increased from 4,947,214 shares to 6,020,175 shares (an increase by 1,072,961 shares).
The Company’s Amended and Restated Certificate of Incorporation authorizes it to issue 500,000,000 shares of common stock, $0.00001 par value per share, and 10,000,000 shares of preferred stock, par value $0.00001 per share. Each share of Class A common stock is entitled to 1 vote. The holders of common stock are also entitled to receive dividends whenever funds are legally available and when declared by the Board, subject to the prior rights of holders of all classes of stock outstanding. As of September 30, 2021 and December 31, 2020, a total of 37,177,371 and 2,563,765 shares of common stock were issued and outstanding, respectively, and 6,955,947 and 4,932,952 shares of common stock were reserved for issuance upon the exercise of outstanding stock options, respectively.
(10) Stock compensation plans
2021 Equity Incentive Plan
On March 24, 2021, the Board and on April 8, 2021, its stockholders approved and adopted the 2021 Equity Incentive Award Plan (the “2021 Plan”). The 2021 Plan became effective immediately prior to the closing of the IPO. Under the 2021 Plan, the Company may grant stock options, stock appreciation rights, restricted stock, restricted stock units, and other stock or cash-based awards to individuals who are then employees, officers, directors or consultants of the Company. A total of 1,727,953 shares of common stock were approved to be initially reserved for issuance under the 2021 Plan. The number of shares under the 2015 Plan subject to outstanding awards as of the effective date of the 2021 Plan that are subsequently canceled, forfeited or repurchased by the Company were added to the shares reserved under the 2021 Plan. In addition, the number of shares of common stock available for issuance under the 2021 Plan will be automatically increased on the first day of each calendar year during the ten-year term of the 2021 Plan, beginning with January 1, 2022 and ending with January 1, 2030, by an amount equal to 5% of the outstanding number of shares of the Company’s common stock on December 31st of the preceding calendar year or such lesser amount as determined by the Board.
2015 Equity Incentive Plan
The Company’s 2015 Equity Incentive Plan (the “2015 Plan”) was established for granting stock incentive awards to directors, officers, employees and consultants to the Company. The 2015 Plan provided for the grant of incentive and non-qualified stock options, stock appreciation rights, restricted stock and restricted stock units as determined by the Board. Under the 2015 Plan, stock options were generally granted with exercise prices equal to or greater than the fair value of the common stock as determined by the Board, expired no later than 10 years from the date of grant, and vested over various periods not exceeding four years. While 0 shares are available for future issuance under the 2015 Plan, it continues to govern outstanding equity awards granted thereunder.