Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Summary of Stock-based Compensation Expense, Recognized in Statements of Operations (Detail)

v3.7.0.1
Stock-Based Compensation - Summary of Stock-based Compensation Expense, Recognized in Statements of Operations (Detail) - Cellectis (Parent) [Member] - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Stock-based compensation expense $ 115 $ 277 $ 249 $ 595
Selling, General and Administrative [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Stock-based compensation expense 10 6 13 12
Research and Development [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Stock-based compensation expense $ 105 $ 271 $ 236 $ 583