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Description of Business and Summary of Significant Accounting Policies - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands |  |  | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Apr. 01, 2019 | Mar. 15, 2019 | Jun. 30, 2019 | Sep. 30, 2019 | Sep. 30, 2018 | Jan. 01, 2019 | Dec. 31, 2018
Description Of Business And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |
Date of incorporation |  |  |  | Jan. 26, 2006 |  |  |
issuance costs |  |  |  | $ 2,507 | $ 481 |  |
Stockholders' equity, reverse stock split |  | 1-for-2.134686 |  |  |  |  |
Preferred stock, shares outstanding |  |  |  | 0 |  |  |
Transition adjustment to opening balance of accumulated deficit |  |  |  | $ (156,151) |  | $ (84,190) | $ (85,187)
Revenue recorded included in deferred revenue |  |  |  | 6,400 |  |  |
ASU 2014-09 | Adjustments |  |  |  |  |  |  |
Description Of Business And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |
Transition adjustment to opening balance of accumulated deficit |  |  |  | $ 2,321 |  | $ (997) |
Common Stock |  |  |  |  |  |  |
Description Of Business And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |
Issuance of common stock upon conversion of convertible notes, shares |  |  | 2,921,461 |  |  |  |
Initial Public Offering ("IPO") | Series A and Series B Convertible Preferred Stock |  |  |  |  |  |  |
Description Of Business And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |
Preferred stock, shares outstanding | 0 |  |  |  |  |  |
Initial Public Offering ("IPO") | Common Stock |  |  |  |  |  |  |
Description Of Business And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |
Shares issued and sold | 9,085,000 |  |  |  |  |  |
Shares issued and sold, public offering price | $ 16.00 |  |  |  |  |  |
Proceeds from issuance, net of underwriting discounts, commissions and issuance cost | $ 130,500 |  |  |  |  |  |
Underwriting discount and commission | 10,200 |  |  |  |  |  |
issuance costs | $ 4,600 |  |  |  |  |  |
Initial Public Offering ("IPO") | Common Stock | Convertible Notes Payable (2019 Notes) |  |  |  |  |  |  |
Description Of Business And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |
Issuance of common stock upon conversion of convertible notes, shares | 2,921,461 |  |  |  |  |  |
Initial Public Offering ("IPO") | Common Stock | Series A and Series B Convertible Preferred Stock |  |  |  |  |  |  |
Description Of Business And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |
Issuance of common stock upon conversion of convertible notes, shares | 22,301,190 |  |  |  |  |  |
Precision PlantSciences, Inc. |  |  |  |  |  |  |
Description Of Business And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |
Date of incorporation |  |  |  | Jan. 04, 2012 |  |  |
Percentage owned in subsidiary |  |  |  | 100.00% |  |  |
Amended date of incorporation |  |  |  | Jan. 16, 2018 |  |  |
Amended name of incorporation |  |  |  | Elo Life Systems, Inc |  |  |
Elo Life Systems Australia Pty Ltd | Subsidiary Issuer |  |  |  |  |  |  |
Description Of Business And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |
Date of incorporation |  |  |  | May 29, 2018 |  |  |
Percentage owned in subsidiary |  |  |  | 100.00% |  |  |
Precision BioSciences UK Limited |  |  |  |  |  |  |
Description Of Business And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |
Date of incorporation |  |  |  | Jun. 17, 2019 |  |  |
Percentage owned in subsidiary |  |  |  | 100.00% |  |  |

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