Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Cellectis Equity Incentive Plan - Additional Information (Detail)

v3.19.3
Stock-Based Compensation - Cellectis Equity Incentive Plan - Additional Information (Detail) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2018
Cellectis [Member] | Equity Incentive Plan [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Reduction in stock-based compensation expense $ 96,000 $ 107,000