XML 34 R15.htm IDEA: XBRL DOCUMENT
v3.19.1

Preferred Stock and Common Stock | 3 Months Ended
--- | ---
Mar. 31, 2019
Temporary Equity Disclosure [Abstract] |
Preferred Stock and Common Stock | 8. Preferred Stock and Common Stock As of March 31, 2019, the Company had 10,000,000 shares of preferred stock authorized and none issued and outstanding. Reserve for future issuance The Company has reserved the following number of shares of common stock for future issuance upon the exercise of options, vesting of restricted stock units or grant of equity awards:
|  | March 31, 2019 |  |  | December 31, 2018 |
Options issued and outstanding |  |  | 1,706,317 |  |  |  | 1,122,677 |
Unvested restricted stock units |  |  | 24,960 |  |  |  | 24,960 |
Options available for future grants |  |  | 1,889,155 |  |  |  | 1,350,582 |
Shares available for issuance under the 2018 ESPP |  |  | 555,583 |  |  |  | 275,030 |
Total |  |  | 4,176,015 |  |  |  | 2,773,249 |

X
- Definition Temporary equity disclosure. + References No definition available. + Details
Name: | torc_TemporaryEquityDisclosureTextBlock
Namespace Prefix: | torc_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_TemporaryEquityDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration