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Accounting Policies, by Policy (Policies) | 9 Months Ended
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Sep. 30, 2022
Accounting Policies [Abstract] |
Use of Estimates | Use of Estimates The preparation of the financial statements in conformity with accounting principles generally accepted in the United States of America (“U.S. GAAP”), requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, and disclosure of contingent liabilities at the date of the financial statements and the reported amounts of expenses during the reporting period. Significant estimates include but are not limited to stock-based compensation expense and research and development accruals. Actual results could differ from those estimates and changes in estimates may occur.
Investments in marketable securities | Investments in marketable securities The Company accounts for its investments in debt securities in accordance with Accounting Standards Codification (“ASC”) 320, Investments — Debt Securities (“ASC 320”). Debt securities, which are comprised of investments in U.S. Treasury Securities, are measured at fair value, based on quoted market prices. As the Company has classified its investments in debt securities as available-for-sale, the Company recognizes all unrealized gains and losses in other comprehensive income, net of tax, and recognizes all realized gains and losses in the Company’s statement of operations. The Company accounts for its investments in equity securities in accordance with ASC 321, Investments — Equity Securities (“ASC 321”). Equity securities, which are comprised of investments in mutual funds shares, are measured at fair value, based on quoted market prices, with all gains and losses reported in the Company’s statement of operations. The Company may sell its debt or equity securities in response to changes in interest rates, risk/reward characteristics, liquidity needs or other factors.
Inventory | Inventory Inventory consists of finished goods, work-in-process and raw materials and is valued at the lower of cost or net realizable value, determined by the first-in, first-out (“FIFO”) method. As the Company manufactures the finished goods and work-in-process materials, overhead costs are included in inventory. The Company evaluates the carrying cost of finished goods, work-in-process and raw materials items. To the extent that such costs exceed future demand estimates and /or exhibit historical turnover at rates less than current inventory levels, the Company reduces the carrying value of the applicable inventories. Inventory consisted of the following:
|  | September 30, |  |  | December 31, |
|  | 2022 |  |  | 2021 |
Raw materials |  | $ | 118,216 |  |  | $ | 91,995 |
Work in process |  |  | 128,688 |  |  |  | 132,160 |
Total inventory |  | $ | 246,904 |  |  | $ | 224,155 |
Stock-based Compensation | Stock-based Compensation The Company’s share-based compensation program grant awards include stock options and restricted stock awards to employees, directors and consultants. The fair value of stock option grants is estimated as of the date of the grant using the Black-Scholes option pricing model. The fair value of restricted stock awards is based on the fair value of the Company’s common stock on the date of the grant. The fair value of the stock-based awards is then expensed over the requisite service period, generally the vesting period, for each award. The Company’s expected stock price volatility assumption is based on the volatility of comparable public companies. The expected term of a stock option granted to employees and directors (including non-employee directors) is based on the average of the contractual term (generally 10 years) and the vesting period. For non-employee options, the expected term is the contractual term. The risk-free interest rate is based on the yield of U.S. Treasury securities consistent with the life of the option. No dividend yield was assumed as the Company does not pay dividends on its common stock. The Company recognizes forfeitures related to stock-based awards as they occur. The Company has periodically granted stock options and restricted stock awards to consultants for services, pursuant to the Company’s stock plans at the fair market value on the respective dates of grant. Should the Company terminate any of its consulting agreements, the unvested options underlying the agreements would be cancelled. For awards granted to consultants and non-employees, compensation expense is recognized over the vesting period of the awards, which is generally the period services are rendered by such consultants and non-employees. The assumptions used in determining the fair value of share-based awards granted during the nine-months ended September 30, 2022 are as follows:
|  | September 30, 2022 |
Risk-free interest rate |  |  | 1.64 | %
Expected option life |  |  | 6 – 6.1 years |
Expected dividend yield |  |  | 0 | %
Expected stock price volatility |  |  | 54 | %
Segments | Segments The Company operates in a single business segment that includes the design, development and manufacturing of genetic analysis technologies.
Leases | Leases In the first quarter of 2022, the Company adopted Accounting Standards Update (“ASU”) No. 2016-02, Leases (Topic 842) . The Company assesses its contracts at inception to determine whether the contract contains a lease, including evaluation of whether the contract conveys the right to control an explicitly or implicitly identified asset for a period of time. The Company recognizes right-of-use assets and lease liabilities that represent the net present value of future operating lease payments utilizing a discount rate corresponding to the Company’s incremental borrowing rate and amortizing over the remaining terms of the leases. The Company accounts for the leases of less than 12 months as short-term leases. See the Recently Adopted Accounting Standards below for additional information related to the adoption of this accounting standard.
Net Loss per Share | Net Loss per Share Basic net loss per share is computed by dividing the net loss by the weighted-average number of shares of common stock outstanding for the period. Diluted net loss per share is computed by dividing the net loss by the weighted average number of shares of common stock and dilutive common stock equivalents outstanding for the period determined using the treasury stock and if-converted methods. Dilutive common stock equivalents are comprised of options outstanding under the Company’s stock option plan and warrants. For all periods presented, there is no difference in the number of shares used to calculate basic and diluted shares outstanding as inclusion of the potentially dilutive securities would be antidilutive. The following potential shares of common stock were not considered in the computation of diluted net loss per share as their effect would have been antidilutive:
|  | September 30, |
|  | 2022 |  |  | 2021 |
Stock options |  |  | 2,003,919 |  |  |  | 818,915 |
Warrants for common stock |  |  | 4,388,185 |  |  |  | 4,393,396 |
Recently Adopted Accounting Standards | Recently Adopted Accounting Standards In August 2020, the Financial Accounting Standards Board (“FASB”) issued ASU No. 2020-06, Debt—Debt with Conversion and Other Options (Subtopic 470-20) and Derivatives and Hedging—Contracts in Entity’s Own Equity (Subtopic 815-40): Accounting for Convertible Instruments and Contracts in an Entity’s Own Equity, which, among other things, provides guidance on how to account for contracts on an entity’s own equity. This ASU eliminates the beneficial conversion and cash conversion accounting models for convertible instruments. It also amends the accounting for certain contracts in an entity’s own equity that are currently accounted for as derivatives because of specific settlement provisions. In addition, this ASU modifies how particular convertible instruments and certain contracts that may be settled in cash or shares impact the diluted EPS computation. The amendments in this ASU are effective for the public companies for fiscal years beginning after December 15, 2021, including interim periods within those fiscal years. Early adoption is permitted, but no earlier than fiscal years beginning after December 15, 2020. The Company adopted this standard on January 1, 2022, which had no material impact to the Company’s condensed consolidated financial statements. In February 2016, the FASB issued ASU No. 2016-02, Leases (“ASU 2016-02”) which establishes new accounting and disclosure requirements for leases. ASU No. 2016-02 requires recognition in the statement of operations of a single lease cost, calculated so that the cost of the lease is allocated over the lease term, generally on a straight-line basis. ASU 2016-02 requires classification of all cash payments within operating activities in the statement of cash flows. Disclosures are required to provide the amount, timing and uncertainty of cash flows arising from leases. The Company adopted ASU 2016-02 in the first quarter of 2022 using the effective date approach to recognize and measure leases as of the adoption date. The Company has elected to utilize the available practical expedient to not separate lease components from non-lease components as well as the package of practical expedients that allows the Company not to reassess (1) whether any expired or existing contracts as of the adoption date are or contain a lease, (2) lease classification for any expired or existing leases as of the adoption date and (3) initial direct costs for any existing leases as of the adoption date. At the date of adoption on January 1, 2022, this guidance had no impact to the Company’s condensed consolidated financial statements.
Recently Issued Accounting Standards | Recently Issued Accounting Standards The Company does not believe that other recently issued but not yet effective accounting pronouncements are expected to have a material effect on the Company’s condensed consolidated financial statements.

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