XML 35 R24.htm IDEA: XBRL DOCUMENT
v3.25.3

Stockholders' Deficit (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2025
Equity [Abstract] |
Schedule of the Warrants Using the Black-Scholes Option Pricing Model with the Following Weighted Average Inputs | The Company calculated the fair value of the October 2024 Common Warrants, March 2025 Common Warrants, and July 2025 Common Warrants using the Black-Scholes option pricing model with the following weighted average inputs:
| October 2024 Common Warrants |  | March 2025 Common Warrants |  | July 2025 Common Warrants
Stock price | $4.92 |  | $2.41 |  | $2.15
Expected term (years) | 4.78 |  | 1.81 |  | 4.05
Risk-free interest rate | 4.1% |  | 4.1% |  | 3.9%
Expected volatility | 117% |  | 105% |  | 109%
Expected dividend yield | None |  | None |  | None

X
- Definition Fair Value Measurement Inputs and Valuation Technique for Equity Instrument + References No definition available. + Details
Name: | cris_FairValueMeasurementInputsAndValuationTechniqueForEquityInstrumentTableTextBlock
Namespace Prefix: | cris_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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