Quarterly report pursuant to Section 13 or 15(d)

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

v3.19.1
Stock-Based Compensation - Cellectis Equity Incentive Plan - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock-based compensation expense $ 1,556 $ (68)
Cellectis [Member] | Equity Incentive Plan [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock-based compensation expense   $ 100