Quarterly report pursuant to Section 13 or 15(d)

Stock-based compensation - Stock-based compensation expense (Details)

v3.21.2
Stock-based compensation - Stock-based compensation expense (Details) - USD ($)
$ in Thousands
1 Months Ended 2 Months Ended 3 Months Ended 4 Months Ended 6 Months Ended 12 Months Ended
Jun. 12, 2021
Jun. 11, 2021
Jul. 31, 2021
Jul. 31, 2021
Apr. 30, 2021
Jul. 31, 2020
Apr. 30, 2020
Jun. 11, 2021
Jul. 31, 2021
Jul. 31, 2020
Jan. 31, 2021
Jan. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Share based compensation expense       $ 4,817                
Financial Designation, Predecessor and Successor [Fixed List] Successor Predecessor Successor Successor Predecessor Predecessor Predecessor Predecessor Successor Predecessor Predecessor Predecessor
Content and software development                        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Share based compensation expense       $ 254                
Selling and marketing                        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Share based compensation expense       326                
General and administrative                        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Share based compensation expense       4,237                
Private Placement Warrants - CEO                        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Share based compensation expense       $ 2,800         $ 2,800      
Warrants issued and outstanding     1,000,000 1,000,000         1,000,000