Cover Page
Cover Page - shares | 9 Months Ended | |
Sep. 30, 2021 | Nov. 02, 2021 | |
Cover [Abstract] | ||
Document Type | 10-Q | |
Document Quarterly Report | true | |
Document Transition Report | false | |
Entity Interactive Data Current | Yes | |
Amendment Flag | false | |
Document Fiscal Year Focus | 2021 | |
Document Period End Date | Sep. 30, 2021 | |
Document Fiscal Period Focus | Q3 | |
Entity Registrant Name | MADRIGAL PHARMACEUTICALS, INC. | |
Entity Central Index Key | 0001157601 | |
Entity File Number | 001-33277 | |
Current Fiscal Year End Date | --12-31 | |
Entity Tax Identification Number | 04-3508648 | |
Entity Incorporation, State or Country Code | DE | |
Entity Current Reporting Status | Yes | |
Entity Filer Category | Large Accelerated Filer | |
Entity Emerging Growth Company | false | |
Entity Small Business | false | |
Entity Shell Company | false | |
Entity Common Stock, Shares Outstanding | 17,097,090 | |
City Area Code | 267 | |
Local Phone Number | 824-2827 | |
Trading Symbol | MDGL | |
Security Exchange Name | NASDAQ | |
Title of 12(b) Security | Common Stock, $0.0001 Par Value Per Share | |
Entity Address, Address Line One | Four Tower Bridge | |
Entity Address, Address Line Two | 200 Barr Harbor Drive, Suite 200 | |
Entity Address, City or Town | West Conshohocken | |
Entity Address, Postal Zip Code | 19428 | |
Entity Address, State or Province | PA |
Condensed Consolidated Balance
Condensed Consolidated Balance Sheets - USD ($) $ in Thousands | Sep. 30, 2021 | Dec. 31, 2020 |
Current assets: | ||
Cash and cash equivalents | $ 49,174 | $ 54,004 |
Marketable securities | 249,970 | 230,145 |
Prepaid expenses and other current assets | 3,812 | 1,014 |
Total current assets | 302,956 | 285,163 |
Property and equipment, net | 844 | 1,047 |
Right-of-use asset | 897 | 785 |
Total assets | 304,697 | 286,995 |
Current liabilities: | ||
Accounts payable | 10,418 | 1,017 |
Accrued expenses | 58,501 | 45,222 |
Lease liability | 406 | 318 |
Total current liabilities | 69,325 | 46,557 |
Long-term liabilities: | ||
Lease liability | 491 | 468 |
Total long term liabilities | 491 | 468 |
Total liabilities | 69,816 | 47,025 |
Stockholders' equity: | ||
Preferred stock, par value $0.0001 per share authorized: 5,000,000 shares at September 30, 2021 and December 31, 2020; 1,969,797 shares issued and outstanding at September 30, 2021 and December 31, 2020 | ||
Common stock, par value $0.0001 per share authorized: 200,000,000 at September 30, 2021 and December 31, 2020; 16,860,211 and 15,508,146 shares issued and outstanding at September 30, 2021 and December 31, 2020, respectively | 2 | 2 |
Additional paid-in-capital | 837,636 | 665,385 |
Accumulated other comprehensive gain (loss) | 4 | 47 |
Accumulated deficit | (602,761) | (425,464) |
Total stockholders' equity | 234,881 | 239,970 |
Total liabilities and stockholders' equity | $ 304,697 | $ 286,995 |
Condensed Consolidated Balanc_2
Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares | Sep. 30, 2021 | Dec. 31, 2020 |
Statement of Financial Position [Abstract] | ||
Preferred stock, par value (in dollars per share) | $ 0.0001 | $ 0.0001 |
Preferred stock, shares authorized | 5,000,000 | 5,000,000 |
Preferred stock, shares issued | 1,969,797 | 1,969,797 |
Preferred stock, shares outstanding | 1,969,797 | 1,969,797 |
Common stock, par value (in dollars per share) | $ 0.0001 | $ 0.0001 |
Common stock, shares authorized | 200,000,000 | 200,000,000 |
Common stock, shares issued | 16,860,211 | 15,508,146 |
Common stock, shares outstanding | 16,860,211 | 15,508,146 |
Condensed Consolidated Statemen
Condensed Consolidated Statements of Operations - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | ||
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020 | |
Revenues: | ||||
Total revenues | $ 0 | $ 0 | $ 0 | $ 0 |
Operating expenses: | ||||
Research and development | 54,873 | 53,292 | 152,275 | 131,380 |
General and administrative | 8,287 | 5,494 | 25,606 | 15,738 |
Total operating expenses | 63,160 | 58,786 | 177,881 | 147,118 |
Loss from operations | (63,160) | (58,786) | (177,881) | (147,118) |
Interest income | 60 | 823 | 311 | 3,897 |
Other income | 0 | 0 | 273 | 100 |
Net loss | $ (63,100) | $ (57,963) | $ (177,297) | $ (143,121) |
Net loss per common share: | ||||
Basic and diluted net loss per common share | $ (3.79) | $ (3.75) | $ (10.84) | $ (9.27) |
Basic and diluted weighted average number of common shares outstanding | 16,639,776 | 15,448,425 | 16,353,428 | 15,437,018 |
Condensed Consolidated Statem_2
Condensed Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | ||
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020 | |
Statement of Comprehensive Income [Abstract] | ||||
Net Loss | $ (63,100) | $ (57,963) | $ (177,297) | $ (143,121) |
Other comprehensive income (loss): | ||||
Unrealized gain (loss) on available-for-sale securities | (11) | (660) | (43) | 205 |
Comprehensive loss | $ (63,111) | $ (58,623) | $ (177,340) | $ (142,916) |
Condensed Consolidated Statem_3
Condensed Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands | Total | Preferred Stock | Common stock | Additional paid-in Capital | Accumulated other comprehensive income (loss) | Accumulated deficit |
Balance at Dec. 31, 2019 | $ 416,565 | $ 2 | $ 639,567 | $ 216 | $ (223,220) | |
Balance (in shares) at Dec. 31, 2019 | 1,969,797 | 5,429,154 | ||||
Increase (Decrease) in Stockholders' Equity | ||||||
Compensation expense related to stock options for services | 4,846 | 4,846 | ||||
Unrealized gain (loss) on marketable securities | 199 | 199 | ||||
Net loss | (36,135) | (36,135) | ||||
Balance at Mar. 31, 2020 | 385,475 | $ 2 | 644,413 | 415 | (259,355) | |
Balance (in shares) at Mar. 31, 2020 | 1,969,797 | 15,429,154 | ||||
Balance at Dec. 31, 2019 | 416,565 | $ 2 | 639,567 | 216 | (223,220) | |
Balance (in shares) at Dec. 31, 2019 | 1,969,797 | 5,429,154 | ||||
Increase (Decrease) in Stockholders' Equity | ||||||
Unrealized gain (loss) on marketable securities | 205 | |||||
Net loss | (143,121) | |||||
Balance at Sep. 30, 2020 | 289,704 | $ 2 | 655,622 | 421 | (366,341) | |
Balance (in shares) at Sep. 30, 2020 | 1,969,797 | 15,466,451 | ||||
Balance at Mar. 31, 2020 | 385,475 | $ 2 | 644,413 | 415 | (259,355) | |
Balance (in shares) at Mar. 31, 2020 | 1,969,797 | 15,429,154 | ||||
Increase (Decrease) in Stockholders' Equity | ||||||
Exercise of common stock options | 109 | 109 | ||||
Exercise of common stock options (in shares) | 8,970 | |||||
Compensation expense related to stock options for services | 5,689 | 5,689 | ||||
Unrealized gain (loss) on marketable securities | 666 | |||||
Net loss | (49,023) | (49,023) | ||||
Balance at Jun. 30, 2020 | 342,916 | $ 2 | 650,211 | 1,081 | (308,378) | |
Balance (in shares) at Jun. 30, 2020 | 1,969,797 | 15,438,124 | ||||
Increase (Decrease) in Stockholders' Equity | ||||||
Exercise of common stock options | 350 | 350 | ||||
Exercise of common stock options (in shares) | 28,327 | |||||
Compensation expense related to stock options for services | 5,061 | 5,061 | ||||
Unrealized gain (loss) on marketable securities | (660) | (660) | ||||
Net loss | (57,963) | (57,963) | ||||
Balance at Sep. 30, 2020 | 289,704 | $ 2 | 655,622 | 421 | (366,341) | |
Balance (in shares) at Sep. 30, 2020 | 1,969,797 | 15,466,451 | ||||
Balance at Dec. 31, 2020 | $ 239,970 | $ 2 | 665,385 | 47 | (425,464) | |
Balance (in shares) at Dec. 31, 2020 | 15,508,146 | 1,969,797 | 15,508,146 | |||
Increase (Decrease) in Stockholders' Equity | ||||||
Issuance of common shares in equity offering, excluding to related parties, net of transaction costs (in shares) | 550,803 | |||||
Issuance of common shares in equity offering, excluding to related parties, net of transaction costs | $ 66,616 | 66,616 | ||||
Exercise of common stock options | 478 | 478 | ||||
Exercise of common stock options (in shares) | 4,250 | |||||
Compensation expense related to stock options for services | 6,096 | 6,096 | ||||
Unrealized gain (loss) on marketable securities | (61) | (61) | ||||
Net loss | (52,546) | (52,546) | ||||
Balance at Mar. 31, 2021 | 260,553 | $ 2 | 738,575 | (14) | (478,010) | |
Balance (in shares) at Mar. 31, 2021 | 1,969,797 | 16,063,199 | ||||
Balance at Dec. 31, 2020 | $ 239,970 | $ 2 | 665,385 | 47 | (425,464) | |
Balance (in shares) at Dec. 31, 2020 | 15,508,146 | 1,969,797 | 15,508,146 | |||
Increase (Decrease) in Stockholders' Equity | ||||||
Unrealized gain (loss) on marketable securities | $ (43) | |||||
Net loss | (177,297) | |||||
Balance at Sep. 30, 2021 | $ 234,881 | $ 2 | 837,636 | 4 | (602,761) | |
Balance (in shares) at Sep. 30, 2021 | 16,860,211 | 1,969,797 | 16,860,211 | |||
Balance at Mar. 31, 2021 | $ 260,553 | $ 2 | 738,575 | (14) | (478,010) | |
Balance (in shares) at Mar. 31, 2021 | 1,969,797 | 16,063,199 | ||||
Increase (Decrease) in Stockholders' Equity | ||||||
Issuance of common shares in equity offering, excluding to related parties, net of transaction costs (in shares) | 536,323 | |||||
Issuance of common shares in equity offering, excluding to related parties, net of transaction costs | 63,541 | 63,541 | ||||
Compensation expense related to stock options for services | 8,179 | 8,179 | ||||
Unrealized gain (loss) on marketable securities | 29 | 29 | ||||
Net loss | (61,651) | (61,651) | ||||
Balance at Jun. 30, 2021 | 270,651 | $ 2 | 810,295 | 15 | (539,661) | |
Balance (in shares) at Jun. 30, 2021 | 1,969,797 | 16,599,522 | ||||
Increase (Decrease) in Stockholders' Equity | ||||||
Issuance of common shares in equity offering, excluding to related parties, net of transaction costs (in shares) | 260,164 | |||||
Issuance of common shares in equity offering, excluding to related parties, net of transaction costs | 21,092 | 21,092 | ||||
Exercise of common stock options | 8 | 8 | ||||
Exercise of common stock options (in shares) | 525 | |||||
Compensation expense related to stock options for services | 6,241 | 6,241 | ||||
Unrealized gain (loss) on marketable securities | (11) | (11) | ||||
Net loss | (63,100) | (63,100) | ||||
Balance at Sep. 30, 2021 | $ 234,881 | $ 2 | $ 837,636 | $ 4 | $ (602,761) | |
Balance (in shares) at Sep. 30, 2021 | 16,860,211 | 1,969,797 | 16,860,211 |
Condensed Consolidated Statem_4
Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 9 Months Ended | |
Sep. 30, 2021 | Sep. 30, 2020 | |
Cash flows from operating activities: | ||
Net loss | $ (177,297) | $ (143,121) |
Adjustments to reconcile net loss to net cash used in operating activities: | ||
Stock-based compensation expense | 20,517 | 15,596 |
Depreciation and amortization expense | 299 | 355 |
Changes in operating assets and liabilities: | ||
Prepaid expenses and other current assets | (2,799) | (513) |
Accounts payable | 9,401 | 5,099 |
Accrued expense | 13,279 | 19,136 |
Accrued interest, net of interest received on maturity of investments | 734 | 834 |
Net cash used in operating activities | (135,866) | (102,614) |
Cash flows from investing activities: | ||
Purchases of marketable securities | (339,371) | (213,186) |
Sales and maturities of marketable securities | 318,769 | 378,088 |
Purchases of property and equipment, net of disposals | (96) | (324) |
Net cash provided by (used in) investing activities | (20,698) | 164,578 |
Cash flows from financing activities: | ||
Proceeds from issuances of stock, excluding related parties, net of transaction costs | 151,249 | |
Proceeds from the exercise of common stock options | 485 | 459 |
Net cash provided by financing activities | 151,734 | 459 |
Net increase (decrease) in cash and cash equivalents | (4,830) | 62,423 |
Cash and cash equivalents at beginning of period | 54,004 | 46,697 |
Cash and cash equivalents at end of period | 49,174 | 109,120 |
Supplemental disclosure of cash flow information: | ||
Obtaining a right-of-use asset in exchange for a lease liability | $ 376 | $ 451 |
Organization, Business and Basi
Organization, Business and Basis of Presentation | 9 Months Ended |
Sep. 30, 2021 | |
Organization, Consolidation and Presentation of Financial Statements [Abstract] | |
Organization, Business and Basis of Presentation | 1. Organization, Business, and Basis of Presentation Organization and Business Madrigal Pharmaceuticals, Inc. (the “Company” or “Madrigal”) is a clinical-stage pharmaceutical company developing novel, high-quality, small- non-alcoholic Basis of Presentation Certain information and footnote disclosures normally included in |
Summary of Significant Accounti
Summary of Significant Accounting Policies | 9 Months Ended |
Sep. 30, 2021 | |
Accounting Policies [Abstract] | |
Summary of Significant Accounting Policies | 2. Summary of Significant Accounting Policies Principle of Consolidation The consolidated financial statements include the financial statements of the Company and its wholly owned subsidiaries. All significant intercompany balances have been eliminated in consolidation. Use of Estimates The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect certain reported amounts of assets and liabilities, and the reported amounts of revenues and expenses during the reporting periods. The Company bases its estimates on historical experience and various other assumptions that management believes to be reasonable under the circumstances. Changes in estimates are recorded in the period in which they become known. Actual results could differ from those estimates. Cash and Cash Equivalents The Company considers all highly liquid investments with original maturities of three months or less at the date of purchase to be cash equivalents. The Company maintains its cash in bank accounts, the balance of which, at times, exceeds Federal Deposit Insurance Corporation insured limits. The primary objective of the Company’s investment activities is to preserve its capital for the purpose of funding operations and the Company does not enter into investments for trading or speculative purposes. The Company’s cash is deposited in highly rated financial institutions in the United States. The Company invests in money market funds and high-grade, commercial paper and corporate bonds, which management believes are subject to minimal credit and market risk. Marketable Securities Marketable securities consist of investments in high-grade corporate obligations and government and government agency obligations that are classified as available-for-sale. The Company adjusts the cost of available-for-sale available-for-sale Marketable securities are stated at fair value, including accrued interest, with their unrealized gains and losses included as a component of accumulated other comprehensive income or loss, which is a separate component of stockholders’ equity. The fair value of these securities is based on quoted prices and observable inputs on a recurring basis. Realized gains and losses are determined on the specific identification method. During the nine months ended September 30, 2021 and 2020, the Company did not have any realized gains or losses on marketable securities. Fair Value of Financial Instruments The carrying amounts of the Company’s financial instruments, which include cash equivalents and marketable securities, approximate their fair values. The fair value of the Company’s financial instruments reflects the amounts that would be received upon sale of an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. The fair value hierarchy has the following three levels: Level 1—quoted prices in active markets for identical assets and liabilities. Level 2—observable inputs other than Level 1 inputs. Examples of Level 2 inputs include quoted prices in active markets for similar assets or liabilities and quoted prices for identical assets or liabilities in markets that are not active. Level 3—unobservable inputs that reflect the Company’s own assumptions about the assumptions market participants would use in pricing the asset or liability. Financial assets and liabilities are classified in their entirety within the fair value hierarchy based on the lowest level of input that is significant to the fair value measurement. The Company measures the fair value of its marketable securities by taking into consideration valuations obtained from third- party pricing sources. The pricing services utilize industry standard valuation models, including both income and market based approaches, for which all significant inputs are observable, either directly or indirectly, to estimate fair value. These inputs include reported trades of and broker-dealer quotes on the same or similar securities, issuer credit spreads, benchmark securities and other observable inputs. As of September 30, 2021, the Company’s financial assets valued based on Level 1 inputs consisted of cash and cash equivalents in a money market fund, its financial assets valued based on Level 2 inputs consisted of high-grade Research and Development Costs Research and development costs are expensed as incurred. Research and development costs are comprised of costs incurred in performing research and development activities, including internal costs (including stock-based 1-3 Patents Costs to secure and defend patents are expensed as incurred and are classified as general and administrative expense in the Company’s consolidated statements of operations. Stock-Based Compensation The Company recognizes stock-based compensation expense based on the grant date fair value of stock options granted to employees, officers, and directors. The Company uses the Black-Scholes option pricing model to determine the grant date fair value as management believes it is the most appropriate valuation method for its option grants. The Black-Scholes model requires inputs for risk-free risk-free Certain of the employee stock options granted by the Company are structured to qualify as incentive stock options (“ISOs”). Under current tax regulations, the Company does not receive a tax deduction for the issuance, exercise or disposition of ISOs if the employee meets certain holding requirements. If the employee does not meet the holding requirements, a disqualifying disposition occurs, at which time the Company may receive a tax deduction. The Company does not record tax benefits related to ISOs unless and until a disqualifying disposition is reported. In the event of a disqualifying disposition, the entire tax benefit is recorded as a reduction of income tax expense. The Company has not recognized any income tax benefit for its share-based compensation arrangements due to the fact that the Company does not believe it is more likely than not it will realize the related Income Taxes The Company uses the asset and liability method to account for income taxes. Deferred tax assets and liabilities are determined based on the expected future tax consequences of temporary differences between the Company’s financial statement carrying amounts and the tax basis of assets and liabilities using enacted tax rates expected to be in effect in the years in which the differences are expected to reverse. The Company currently maintains Comprehensive Loss Comprehensive loss is defined as the change in equity of a business enterprise during a period from transactions and other events and circumstances from non-owner Basic and Diluted Loss Per Common Share Basic net loss per share is computed using the weighted average number of common shares outstanding during the period, excluding any restricted stock that has been issued but is not yet vested. Diluted net loss per common share is computed using the weighted average number of common shares outstanding and the weighted average dilutive potential common shares outstanding using the treasury stock method. However, for the nine months ended September 30, 2021 and 2020, diluted net loss per share is the same as basic net loss per share because the inclusion of weighted average shares of unvested restricted common stock, common stock issuable upon the exercise of stock options, and common stock issuable upon the conversion of preferred stock would be anti-dilutive. The following table summarizes outstanding Nine Months Ended September 30, 2021 2020 Common stock options 2,254,629 1,810,753 Preferred stock 1,969,797 1,969,797 Recent Accounting Pronouncements None |
Liquidity and Uncertainties
Liquidity and Uncertainties | 9 Months Ended |
Sep. 30, 2021 | |
Liquidity and Uncertainties | |
Liquidity and Uncertainties | 3. Liquidity and Uncertainties The Company is subject to risks common to development stage companies in the biopharmaceutical industry including, but not limited to, uncertainty of product development and commercialization, dependence on key personnel, uncertainty of market acceptance of products and product reimbursement, product liability, uncertain protection of proprietary technology, potential inability to raise additional financing necessary for development and commercialization, and compliance with the U.S. Food and Drug Administration and other government regulations. The Company has incurred losses since inception, including approximately $177.3 million for the nine months ended September 30, 2021, resulting in an accumulated deficit of approximately $602.8 million as of September 30, 2021. Management expects to incur losses for the foreseeable future. To date, the Company has funded its operations primarily through proceeds from sales of the Company’s capital stock. The Company believes that its cash, cash equivalents and marketable securities at September 30, 2021 will be sufficient to fund operations past one year from the issuance of these financial statements. To meet its future capital needs, the Company intends to raise additional capital through debt or equity financings, collaborations, partnerships or other strategic transactions. However, there can be no assurance that the Company will be able to complete any such transactions on acceptable terms or otherwise. The inability of the Company to obtain sufficient funds on acceptable terms when needed could have a material adverse effect on the Company’s business, results of operations and financial condition. The Company has the ability to delay certain research activities and related clinical expenses if necessary due to liquidity concerns until a date when those concerns are relieved. |
Cash, Cash Equivalents and Mark
Cash, Cash Equivalents and Marketable Securities | 9 Months Ended |
Sep. 30, 2021 | |
Cash and Cash Equivalents [Abstract] | |
Cash, Cash Equivalents and Marketable Securities | 4. Cash, Cash Equivalents and Marketable Securities A summary of cash, cash equivalents and available-for-sale September 30, 2021 Cost Unrealized Unrealized Fair gains losses value Cash and cash equivalents: Cash (Level 1) $ 2,116 $ — $ — $ 2,116 Money market funds (Level 1) 47,058 — — 47,058 Total cash and cash equivalents 49,174 — — 49,174 Marketable securities: Corporate debt securities due within 1 year of date of purchase (Level 2) 233,697 21 (13 ) 233,705 U.S. government and government sponsored entities due within 1 year of date of purchase (Level 2) 12,000 1 — 12,001 Corporate debt securities due within 1 to 2 years of date of purchase (Level 2) 4,269 — (5 ) 4,264 Total cash, cash equivalents and marketable securities $ 299,140 $ 22 $ (18 ) $ 299,144 December 31, 2020 Cost Unrealized Unrealized Fair gains losses value Cash and cash equivalents: Cash (Level 1) $ 716 $ — $ — $ 716 Money market funds (Level 1) 53,288 — — 53,288 Total cash and cash equivalents 54,004 — — 54,004 Marketable securities: Corporate debt securities due within 1 year of date of purchase (Level 2) 227,172 80 (36 ) 227,216 Corporate debt securities due within 1 to 2 years of date of purchase (Level 2) 2,926 4 (1 ) 2,929 Total cash, cash equivalents and marketable securities $ 284,102 $ 84 $ (37 ) $ 284,149 |
Accrued Liabilities
Accrued Liabilities | 9 Months Ended |
Sep. 30, 2021 | |
Accrued Liabilities, Current [Abstract] | |
Accrued Liabilities | 5. Accrued Liabilities Accrued liabilities as of September 30, 2021 and December 31, 2020 consisted of the following (in thousands): September 30, December 31, 2021 2020 Contract research organization costs $ 40,807 $ 31,646 Other clinical study related costs 5,507 3,901 Compensation and benefits 4,970 4,686 Professional fees 1,711 830 Other 5,506 4,159 Total accrued liabilities $ 58,501 $ 45,222 |
Stockholders' Equity
Stockholders' Equity | 9 Months Ended |
Sep. 30, 2021 | |
Stockholders' Equity Note [Abstract] | |
Stockholders' Equity | 6. Stockholders’ Equity Common Stock Each common stockholder generally is entitled to one for each share of common stock held, subject to limitations as may be established for certain other classes and series of stock of the Company from time to time. Each share of common stock is entitled to receive dividends, as and when declared by the Company’s board of directors. The Company has never declared cash dividends on its common stock and does not expect to do so in the foreseeable future. Preferred Stock The Series A Preferred Stock has a par value of $0.0001 per share and is convertible into shares of the common stock at a one -to-one as-if-converted-to-Common-Stock no as-converted At-The-Market In November 2020, the Company entered into an at-the-market “at-the-market” Under the 2020 Sales Agreement the Company sold 1,126,733 shares for an aggregate of approximately $137.4 million in gross proceeds, with net proceeds to the Company of approximately $134.8 million after deducting commissions and other transaction costs. Of those shares sold, 1,087,126 were sold in 2021, and 39,607 were sold in 2020. In June 2021, the Company filed with the SEC and had declared effective a new shelf registration statement on Form S-3 at-the-market As of September 30, 2021, 260,164 shares had been sold under the 2021 Sales Agreement for an aggregate of approximately $21.5 million in gross proceeds, with net proceeds to the Company of approximately $20.9 million after deducting commissions and other transaction costs. As of September 30, 2021, $178.5 million remained reserved and available for sale under the 2021 Sales Agreement and the Company’s related prospectus supplement. |
Stock-based Compensation
Stock-based Compensation | 9 Months Ended |
Sep. 30, 2021 | |
Share-based Payment Arrangement [Abstract] | |
Stock-based Compensation | 7. Stock-based Compensation The 2015 Stock Plan, as amended, is our primary plan through which equity based grants are awarded. The 2015 Stock Plan provides for the grant of incentive stock options, non-statutory ten years The following table summarizes stock option activity during the nine months ended September 30, 2021: Shares Weighted Outstanding at January 1, 2021 1,837,540 $ 71.80 Options granted 602,059 113.04 Options exercised (4,775 ) 101.79 Options cancelled (180,195 ) 114.37 Outstanding at September 30, 2021 2,254,629 $ 79.34 Exercisable at September 30, 2021 1,392,219 $ 61.07 The total cash received by nine Stock-Based Compensation Expense Stock-based compensation expense during the nine months ended September 30, 2021 and 2020 was as follows (in thousands): Three Months Ended Nine Months 2021 2020 2021 2020 Stock-based compensation expense by type of award: Stock options $ 6,241 $ 5,061 $ 20,517 $ 15,596 Total stock-based compensation expense $ 6,241 $ 5,061 $ 20,517 $ 15,596 Effect of stock-based compensation expense by line item: Research and development $ 2,622 $ 2,266 $ 8,120 $ 6,633 General and administrative 3,619 2,795 12,397 8,963 Total stock-based compensation expense included in net loss $ 6,241 $ 5,061 $ 20,517 $ 15,596 Unrecognized stock-based compensation expense on stock options as of September 30, 2021 was $52.6 million with a weighted average remaining period of 2.85 years. |
Commitments and Contingencies
Commitments and Contingencies | 9 Months Ended |
Sep. 30, 2021 | |
Commitments and Contingencies Disclosure [Abstract] | |
Commitments and Contingencies | 8. Commitments and Contingencies The Company has a Research, Development and Commercialization Agreement with Hoffmann-La The Company has entered into customary contractual arrangements and letters of intent in support of its Phase 3 clinical trials. |
Subsequent Event
Subsequent Event | 9 Months Ended |
Sep. 30, 2021 | |
Subsequent Events [Abstract] | |
Subsequent Event | 9. Subsequent Event Since the end of the third quarter through November 2, 2021, the Company sold 236,879 shares under the 2021 Sales Agreement (described in Note 6) for an aggregate of approximately $19.4 million in gross proceeds. Net proceeds to the Company were approximately $19.0 million after deducting commissions and other transaction costs. After giving effect to such sales as of November 2, 2021, approximately $159.2 million remained reserved and available for sale under the 2021 Sales Agreement and the |
Summary of Significant Accoun_2
Summary of Significant Accounting Policies (Policies) | 9 Months Ended |
Sep. 30, 2021 | |
Accounting Policies [Abstract] | |
Principle of Consolidation | Principle of Consolidation The consolidated financial statements include the financial statements of the Company and its wholly owned subsidiaries. All significant intercompany balances have been eliminated in consolidation. |
Use of Estimates | Use of Estimates The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect certain reported amounts of assets and liabilities, and the reported amounts of revenues and expenses during the reporting periods. The Company bases its estimates on historical experience and various other assumptions that management believes to be reasonable under the circumstances. Changes in estimates are recorded in the period in which they become known. Actual results could differ from those estimates. |
Cash and Cash Equivalents | Cash and Cash Equivalents The Company considers all highly liquid investments with original maturities of three months or less at the date of purchase to be cash equivalents. The Company maintains its cash in bank accounts, the balance of which, at times, exceeds Federal Deposit Insurance Corporation insured limits. The primary objective of the Company’s investment activities is to preserve its capital for the purpose of funding operations and the Company does not enter into investments for trading or speculative purposes. The Company’s cash is deposited in highly rated financial institutions in the United States. The Company invests in money market funds and high-grade, commercial paper and corporate bonds, which management believes are subject to minimal credit and market risk. |
Marketable Securities | Marketable Securities Marketable securities consist of investments in high-grade corporate obligations and government and government agency obligations that are classified as available-for-sale. The Company adjusts the cost of available-for-sale available-for-sale Marketable securities are stated at fair value, including accrued interest, with their unrealized gains and losses included as a component of accumulated other comprehensive income or loss, which is a separate component of stockholders’ equity. The fair value of these securities is based on quoted prices and observable inputs on a recurring basis. Realized gains and losses are determined on the specific identification method. During the nine months ended September 30, 2021 and 2020, the Company did not have any realized gains or losses on marketable securities. |
Fair Value of Financial Instruments | Fair Value of Financial Instruments The carrying amounts of the Company’s financial instruments, which include cash equivalents and marketable securities, approximate their fair values. The fair value of the Company’s financial instruments reflects the amounts that would be received upon sale of an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. The fair value hierarchy has the following three levels: Level 1—quoted prices in active markets for identical assets and liabilities. Level 2—observable inputs other than Level 1 inputs. Examples of Level 2 inputs include quoted prices in active markets for similar assets or liabilities and quoted prices for identical assets or liabilities in markets that are not active. Level 3—unobservable inputs that reflect the Company’s own assumptions about the assumptions market participants would use in pricing the asset or liability. Financial assets and liabilities are classified in their entirety within the fair value hierarchy based on the lowest level of input that is significant to the fair value measurement. The Company measures the fair value of its marketable securities by taking into consideration valuations obtained from third- party pricing sources. The pricing services utilize industry standard valuation models, including both income and market based approaches, for which all significant inputs are observable, either directly or indirectly, to estimate fair value. These inputs include reported trades of and broker-dealer quotes on the same or similar securities, issuer credit spreads, benchmark securities and other observable inputs. As of September 30, 2021, the Company’s financial assets valued based on Level 1 inputs consisted of cash and cash equivalents in a money market fund, its financial assets valued based on Level 2 inputs consisted of high-grade |
Research and Development Costs | Research and Development Costs Research and development costs are expensed as incurred. Research and development costs are comprised of costs incurred in performing research and development activities, including internal costs (including stock-based 1-3 |
Patents | Patents Costs to secure and defend patents are expensed as incurred and are classified as general and administrative expense in the Company’s consolidated statements of operations. |
Stock-Based Compensation | Stock-Based Compensation The Company recognizes stock-based compensation expense based on the grant date fair value of stock options granted to employees, officers, and directors. The Company uses the Black-Scholes option pricing model to determine the grant date fair value as management believes it is the most appropriate valuation method for its option grants. The Black-Scholes model requires inputs for risk-free risk-free Certain of the employee stock options granted by the Company are structured to qualify as incentive stock options (“ISOs”). Under current tax regulations, the Company does not receive a tax deduction for the issuance, exercise or disposition of ISOs if the employee meets certain holding requirements. If the employee does not meet the holding requirements, a disqualifying disposition occurs, at which time the Company may receive a tax deduction. The Company does not record tax benefits related to ISOs unless and until a disqualifying disposition is reported. In the event of a disqualifying disposition, the entire tax benefit is recorded as a reduction of income tax expense. The Company has not recognized any income tax benefit for its share-based compensation arrangements due to the fact that the Company does not believe it is more likely than not it will realize the related |
Income Taxes | Income Taxes The Company uses the asset and liability method to account for income taxes. Deferred tax assets and liabilities are determined based on the expected future tax consequences of temporary differences between the Company’s financial statement carrying amounts and the tax basis of assets and liabilities using enacted tax rates expected to be in effect in the years in which the differences are expected to reverse. The Company currently maintains |
Comprehensive Loss | Comprehensive Loss Comprehensive loss is defined as the change in equity of a business enterprise during a period from transactions and other events and circumstances from non-owner |
Basic and Diluted Loss Per Common Share | Basic and Diluted Loss Per Common Share Basic net loss per share is computed using the weighted average number of common shares outstanding during the period, excluding any restricted stock that has been issued but is not yet vested. Diluted net loss per common share is computed using the weighted average number of common shares outstanding and the weighted average dilutive potential common shares outstanding using the treasury stock method. However, for the nine months ended September 30, 2021 and 2020, diluted net loss per share is the same as basic net loss per share because the inclusion of weighted average shares of unvested restricted common stock, common stock issuable upon the exercise of stock options, and common stock issuable upon the conversion of preferred stock would be anti-dilutive. The following table summarizes outstanding Nine Months Ended September 30, 2021 2020 Common stock options 2,254,629 1,810,753 Preferred stock 1,969,797 1,969,797 |
Recent Accounting Pronouncements | Recent Accounting Pronouncements None |
Summary of Significant Accoun_3
Summary of Significant Accounting Policies (Tables) | 9 Months Ended |
Sep. 30, 2021 | |
Accounting Policies [Abstract] | |
Summary of the outstanding securities not included in the computation of diluted net loss per common share as their inclusion would be anti-dilutive | Nine Months Ended September 30, 2021 2020 Common stock options 2,254,629 1,810,753 Preferred stock 1,969,797 1,969,797 |
Cash, Cash Equivalents and Ma_2
Cash, Cash Equivalents and Marketable Securities (Tables) | 9 Months Ended |
Sep. 30, 2021 | |
Cash and Cash Equivalents [Abstract] | |
Summary of cash, cash equivalents and available-for-sale marketable securities | A summary of cash, cash equivalents and available-for-sale September 30, 2021 Cost Unrealized Unrealized Fair gains losses value Cash and cash equivalents: Cash (Level 1) $ 2,116 $ — $ — $ 2,116 Money market funds (Level 1) 47,058 — — 47,058 Total cash and cash equivalents 49,174 — — 49,174 Marketable securities: Corporate debt securities due within 1 year of date of purchase (Level 2) 233,697 21 (13 ) 233,705 U.S. government and government sponsored entities due within 1 year of date of purchase (Level 2) 12,000 1 — 12,001 Corporate debt securities due within 1 to 2 years of date of purchase (Level 2) 4,269 — (5 ) 4,264 Total cash, cash equivalents and marketable securities $ 299,140 $ 22 $ (18 ) $ 299,144 December 31, 2020 Cost Unrealized Unrealized Fair gains losses value Cash and cash equivalents: Cash (Level 1) $ 716 $ — $ — $ 716 Money market funds (Level 1) 53,288 — — 53,288 Total cash and cash equivalents 54,004 — — 54,004 Marketable securities: Corporate debt securities due within 1 year of date of purchase (Level 2) 227,172 80 (36 ) 227,216 Corporate debt securities due within 1 to 2 years of date of purchase (Level 2) 2,926 4 (1 ) 2,929 Total cash, cash equivalents and marketable securities $ 284,102 $ 84 $ (37 ) $ 284,149 |
Accrued Liabilities (Tables)
Accrued Liabilities (Tables) | 9 Months Ended |
Sep. 30, 2021 | |
Accrued Liabilities, Current [Abstract] | |
Schedule of Accrued Liabilities | Accrued liabilities as of September 30, 2021 and December 31, 2020 consisted of the following (in thousands): September 30, December 31, 2021 2020 Contract research organization costs $ 40,807 $ 31,646 Other clinical study related costs 5,507 3,901 Compensation and benefits 4,970 4,686 Professional fees 1,711 830 Other 5,506 4,159 Total accrued liabilities $ 58,501 $ 45,222 |
Stock-based Compensation (Table
Stock-based Compensation (Tables) | 9 Months Ended |
Sep. 30, 2021 | |
Share-based Payment Arrangement [Abstract] | |
Summary of stock option activity | The following table summarizes stock option activity during the nine months ended September 30, 2021: Shares Weighted Outstanding at January 1, 2021 1,837,540 $ 71.80 Options granted 602,059 113.04 Options exercised (4,775 ) 101.79 Options cancelled (180,195 ) 114.37 Outstanding at September 30, 2021 2,254,629 $ 79.34 Exercisable at September 30, 2021 1,392,219 $ 61.07 |
Schedule of stock-based compensation expense | Stock-based compensation expense during the nine months ended September 30, 2021 and 2020 was as follows (in thousands): Three Months Ended Nine Months 2021 2020 2021 2020 Stock-based compensation expense by type of award: Stock options $ 6,241 $ 5,061 $ 20,517 $ 15,596 Total stock-based compensation expense $ 6,241 $ 5,061 $ 20,517 $ 15,596 Effect of stock-based compensation expense by line item: Research and development $ 2,622 $ 2,266 $ 8,120 $ 6,633 General and administrative 3,619 2,795 12,397 8,963 Total stock-based compensation expense included in net loss $ 6,241 $ 5,061 $ 20,517 $ 15,596 |
Summary of Significant Accoun_4
Summary of Significant Accounting Policies - Income Taxes (Details) | 9 Months Ended |
Sep. 30, 2021 | |
Income Taxes | |
Valuation allowance on deferred tax assets (as a percent) | 100.00% |
Summary of Significant Accoun_5
Summary of Significant Accounting Policies - Basic and Diluted Loss Per Common Share (Details) - shares | 9 Months Ended | |
Sep. 30, 2021 | Sep. 30, 2020 | |
Stock options | ||
Anti-dilutive securities | ||
Outstanding securities not included in the computation of diluted net loss per common share as their inclusion would be anti-dilutive (in shares) | 2,254,629 | 1,810,753 |
Preferred Stock | ||
Anti-dilutive securities | ||
Outstanding securities not included in the computation of diluted net loss per common share as their inclusion would be anti-dilutive (in shares) | 1,969,797 | 1,969,797 |
Liquidity and Uncertainties (De
Liquidity and Uncertainties (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | |||||||
Sep. 30, 2021 | Jun. 30, 2021 | Mar. 31, 2021 | Sep. 30, 2020 | Jun. 30, 2020 | Mar. 31, 2020 | Sep. 30, 2021 | Sep. 30, 2020 | Dec. 31, 2020 | |
Liquidity and Uncertainties | |||||||||
Net loss | $ 63,100 | $ 61,651 | $ 52,546 | $ 57,963 | $ 49,023 | $ 36,135 | $ 177,297 | $ 143,121 | |
Accumulated deficit | $ 602,761 | $ 602,761 | $ 425,464 |
Cash, Cash Equivalents and Ma_3
Cash, Cash Equivalents and Marketable Securities (Details) - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended |
Sep. 30, 2021 | Dec. 31, 2020 | |
Cash, Cash Equivalents and Marketable Securities | ||
Marketable securities, unrealized gains | $ 84 | |
Marketable securities, unrealized losses | (37) | |
Total cash, cash equivalents and marketable securities, Unrealized gains | $ 22 | |
Total cash, cash equivalents and marketable securities, Unrealized losses | (18) | |
Carrying value | ||
Cash, Cash Equivalents and Marketable Securities | ||
Cash and cash equivalents | 49,174 | 54,004 |
Marketable securities, cost | 284,102 | |
Total cash, cash equivalents and marketable securities, Cost | 299,140 | |
Fair value | ||
Cash, Cash Equivalents and Marketable Securities | ||
Cash and cash equivalents | 49,174 | 54,004 |
Marketable securities, fair value | $ 284,149 | |
Total cash, cash equivalents and marketable securities, Fair value | 299,144 | |
Corporate debt securities due within 3 months of date of purchase | Carrying value | Level 2 | ||
Cash, Cash Equivalents and Marketable Securities | ||
Cash and cash equivalents | $ 233,697 | |
Corporate debt securities due within 1 year of date of purchase | ||
Cash, Cash Equivalents and Marketable Securities | ||
Maturity period from date of purchase to classify an investment as marketable securities | 1 year | 1 year |
Corporate debt securities due within 1 year of date of purchase | Level 2 | ||
Cash, Cash Equivalents and Marketable Securities | ||
Marketable securities, unrealized gains | $ 21 | $ 80 |
Marketable securities, unrealized losses | (13) | (36) |
Corporate debt securities due within 1 year of date of purchase | Carrying value | Level 2 | ||
Cash, Cash Equivalents and Marketable Securities | ||
Marketable securities, cost | 227,172 | |
Corporate debt securities due within 1 year of date of purchase | Fair value | Level 2 | ||
Cash, Cash Equivalents and Marketable Securities | ||
Cash and cash equivalents | $ 233,705 | |
Marketable securities, fair value | $ 227,216 | |
Corporate debt securities due within 1 to 2 years of date of purchase | Maximum [Member] | ||
Cash, Cash Equivalents and Marketable Securities | ||
Maturity period from date of purchase to classify an investment as marketable securities | 2 years | 2 years |
Corporate debt securities due within 1 to 2 years of date of purchase | Minimum [Member] | ||
Cash, Cash Equivalents and Marketable Securities | ||
Maturity period from date of purchase to classify an investment as marketable securities | 1 year | 1 year |
Corporate debt securities due within 1 to 2 years of date of purchase | Level 2 | ||
Cash, Cash Equivalents and Marketable Securities | ||
Marketable securities, unrealized gains | $ 0 | $ 4 |
Marketable securities, unrealized losses | (5) | (1) |
Corporate debt securities due within 1 to 2 years of date of purchase | Carrying value | Level 2 | ||
Cash, Cash Equivalents and Marketable Securities | ||
Marketable securities, cost | 4,269 | 2,926 |
Corporate debt securities due within 1 to 2 years of date of purchase | Fair value | Level 2 | ||
Cash, Cash Equivalents and Marketable Securities | ||
Marketable securities, fair value | $ 4,264 | 2,929 |
Agency Securities [Member] | ||
Cash, Cash Equivalents and Marketable Securities | ||
Maturity period from date of purchase to classify an investment as marketable securities | 1 year | |
Agency Securities [Member] | Level 2 | ||
Cash, Cash Equivalents and Marketable Securities | ||
Marketable securities, unrealized gains | $ 1 | |
Agency Securities [Member] | Carrying value | Level 2 | ||
Cash, Cash Equivalents and Marketable Securities | ||
Marketable securities, cost | 12,000 | |
Agency Securities [Member] | Fair value | Level 2 | ||
Cash, Cash Equivalents and Marketable Securities | ||
Marketable securities, fair value | 12,001 | |
Cash | Carrying value | Level 1 | ||
Cash, Cash Equivalents and Marketable Securities | ||
Cash and cash equivalents | 2,116 | 716 |
Cash | Fair value | Level 1 | ||
Cash, Cash Equivalents and Marketable Securities | ||
Cash and cash equivalents | 2,116 | 716 |
Money market funds | Carrying value | Level 1 | ||
Cash, Cash Equivalents and Marketable Securities | ||
Cash and cash equivalents | 47,058 | 53,288 |
Money market funds | Fair value | Level 1 | ||
Cash, Cash Equivalents and Marketable Securities | ||
Cash and cash equivalents | $ 47,058 | $ 53,288 |
Accrued Liabilities (Details)
Accrued Liabilities (Details) - USD ($) $ in Thousands | Sep. 30, 2021 | Dec. 31, 2020 |
Accrued Liabilities, Current [Abstract] | ||
Contract research organization costs | $ 40,807 | $ 31,646 |
Other clinical study related costs | 5,507 | 3,901 |
Compensation and benefits | 4,970 | 4,686 |
Professional fees | 1,711 | 830 |
Other | 5,506 | 4,159 |
Total accrued liabilities | $ 58,501 | $ 45,222 |
Stockholders' Equity (Deficit)
Stockholders' Equity (Deficit) - Common Stock (Details) | 9 Months Ended |
Sep. 30, 2021Vote | |
Stockholders' Equity Note [Abstract] | |
Number of votes per share that common stockholders are entitled to receive | 1 |
Stockholders' Equity (Deficit_2
Stockholders' Equity (Deficit) - Preferred Stock (Details) | 1 Months Ended | ||
Jun. 30, 2017Vote$ / sharesshares | Sep. 30, 2021$ / shares | Dec. 31, 2020$ / shares | |
Stockholders' Equity (Deficit) | |||
Preferred stock, par value (in dollars per share) | $ 0.0001 | $ 0.0001 | |
Series A Convertible Preferred Stock | |||
Stockholders' Equity (Deficit) | |||
Preferred stock, par value (in dollars per share) | $ 0.0001 | ||
Preferred stock conversion ratio | shares | 1 | ||
Preferred shares number voting rights | Vote | 0 |
Stockholders' Equity (Deficit_3
Stockholders' Equity (Deficit) - At The Market Issuances (Details) - USD ($) $ in Millions | 1 Months Ended | 9 Months Ended | |
Nov. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020 | |
Stockholders' Equity (Deficit) | |||
Number of shares sold by the entity | 1,087,126 | 39,607 | |
At-The-Market Issuance Sales Agreement | |||
Stockholders' Equity (Deficit) | |||
Number of shares sold by the entity | 1,126,733 | ||
Value of shares sold by the entity | $ 137.4 | ||
Net proceeds after deducting commissions and other transactions costs | $ 134.8 | ||
At-The-Market Issuance Sales Agreement | 2021 Sales Agreement [Member] | |||
Stockholders' Equity (Deficit) | |||
Number of shares sold by the entity | 260,164 | ||
Value of shares sold by the entity | $ 21.5 | ||
Net proceeds after deducting commissions and other transactions costs | 20.9 | ||
Remaining reserved amount under shelf registration | 178.5 | ||
Cowen & Co. LLC | Maximum | At-The-Market Issuance Sales Agreement | |||
Stockholders' Equity (Deficit) | |||
Maximum aggregate offering price | $ 200 | $ 200 |
Stock-based Compensation - Stoc
Stock-based Compensation - Stock Option (Details) $ / shares in Units, $ in Millions | 9 Months Ended | |
Sep. 30, 2021USD ($)$ / sharesshares | Sep. 30, 2020USD ($)$ / shares | |
Maximum | ||
Stock-based compensation expense | ||
Expiration period | 10 years | |
Stock options | ||
Stock-based compensation expense | ||
Options outstanding to purchase of common stock | 2,254,629 | |
Shares available for future issuance | 1,714,543 | |
Shares | ||
Outstanding at the beginning of the year (in shares) | 1,837,540 | |
Options granted (in shares) | 602,059 | |
Options exercised (in shares) | (4,775) | |
Options cancelled (in shares) | (180,195) | |
Outstanding at the end of the year (in shares) | 2,254,629 | |
Exercisable at the end of the year (in shares) | 1,392,219 | |
Weighted average exercise price | ||
Outstanding at the beginning of the year (in dollars per share) | $ / shares | $ 71.80 | |
Options granted (in dollars per share) | $ / shares | 113.04 | |
Options exercised (in dollars per share) | $ / shares | 101.79 | |
Options cancelled (in dollars per share) | $ / shares | 114.37 | |
Outstanding at the end of the year (in dollars per share) | $ / shares | 79.34 | |
Exercisable at the end of the year (in dollars per share) | $ / shares | $ 61.07 | |
Additional disclosures | ||
Proceeds resulting from exercise of stock options | $ | $ 0.5 | $ 0.5 |
Weighted-average grant date fair value of options (in dollars per share) | $ / shares | $ 75.71 | $ 65.65 |
Stock-based Compensation - Expe
Stock-based Compensation - Expense (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | ||
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020 | |
Stock-based compensation expense | ||||
Stock-based compensation expense | $ 6,241 | $ 5,061 | $ 20,517 | $ 15,596 |
Research and development | ||||
Stock-based compensation expense | ||||
Stock-based compensation expense | 2,622 | 2,266 | 8,120 | 6,633 |
General and administrative | ||||
Stock-based compensation expense | ||||
Stock-based compensation expense | 3,619 | 2,795 | 12,397 | 8,963 |
Stock options | ||||
Stock-based compensation expense | ||||
Stock-based compensation expense | $ 6,241 | $ 5,061 | $ 20,517 | $ 15,596 |
Stock-based Compensation - Unre
Stock-based Compensation - Unrecognized Expense (Details) - Stock options $ in Millions | 9 Months Ended |
Sep. 30, 2021USD ($) | |
Unrecognized stock-based compensation expense | |
Unrecognized stock compensation expense | $ 52.6 |
Weighted average remaining period (in years) | 2 years 10 months 6 days |
Commitments and Contingencies (
Commitments and Contingencies (Details) - USD ($) | 9 Months Ended | |
Sep. 30, 2021 | Sep. 30, 2020 | |
Commitments and Contingencies | ||
Licensed product sales | $ 0 | $ 0 |
Research, Development and Commercialization Agreement | Hoffmann-La Roche ("Roche") | ||
Commitments and Contingencies | ||
Remainder of future milestone payments | $ 8,000,000 |
Subsequent Event (Detail)
Subsequent Event (Detail) - USD ($) $ in Millions | Nov. 02, 2021 | Sep. 30, 2021 | Sep. 30, 2020 |
Subsequent Event [Line Items] | |||
Number of shares sold by the entity | 1,087,126 | 39,607 | |
At The Market Issuance Sales Agreement [Member] | |||
Subsequent Event [Line Items] | |||
Number of shares sold by the entity | 1,126,733 | ||
Value of shares sold by the entity | $ 137.4 | ||
Net proceeds after deducting commissions and other transactions costs | $ 134.8 | ||
Subsequent Event [Member] | At The Market Issuance Sales Agreement [Member] | |||
Subsequent Event [Line Items] | |||
Number of shares sold by the entity | 236,879 | ||
Value of shares sold by the entity | $ 19.4 | ||
Net proceeds after deducting commissions and other transactions costs | 19 | ||
Remaining reserved amount under shelf registration | $ 159.2 |