Quarterly report pursuant to Section 13 or 15(d)

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

v3.10.0.1
Stock-Based Compensation - Parent Equity Incentive Plan - Additional Information (Detail) - Equity Incentive Plan [Member] - Cellectis (Parent) [Member] - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock-based compensation expense $ (96) $ 98 $ 107 $ 347
Stock Options and Warrants [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock-based compensation expense $ 96 $ 98 $ 107 $ 347