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STOCKHOLDERS' EQUITY - Warrants to Purchase Preferred Stock (Details)

v3.21.2
STOCKHOLDERS' EQUITY - Warrants to Purchase Preferred Stock (Details) - OLD PlayStudios, Inc.
$ / shares in Units, $ in Millions
 3 Months Ended 12 Months Ended
Mar. 31, 2021
USD ($)
$ / shares
shares
Dec. 31, 2020
USD ($)
$ / shares
shares
Dec. 31, 2019
USD ($)
$ / shares
shares
Mar. 31, 2020
$ / shares
Class of Warrant or Right [Line Items]        
Number of shares to be purchased for one warrant   1    
Conversion ratio 1 1    
Warrants Outstanding 6,042,000 6,042,000 6,000,000  
Exercise Price | $ / shares $ 0     $ 0
Warrants exercisable   1,300,000 1,300,000  
Weighted-average exercise price of all warrants | $ / shares $ 0.26 $ 0.26 $ 0.26  
Weighted-average remaining contractual term of the warrants 3 years 3 years 3 months 18 days    
Aggregate intrinsic value | $ $ 8.3 $ 6.6 $ 2.6  
IPO        
Class of Warrant or Right [Line Items]        
Warrants exercisable 1,300,000 1,300,000    
Series A        
Class of Warrant or Right [Line Items]        
Warrants Outstanding 560,000      
Exercise Price | $ / shares $ 0.06      
Series B        
Class of Warrant or Right [Line Items]        
Warrants Outstanding 2,563,000 2,563,000    
Exercise Price | $ / shares $ 0.21 $ 0.21    
Warrants exercisable 2,600,000      
Series C-1        
Class of Warrant or Right [Line Items]        
Warrants Outstanding 2,302,000 2,302,000    
Exercise Price | $ / shares $ 0.27 $ 0.27    
Series C        
Class of Warrant or Right [Line Items]        
Warrants Outstanding 617,000 617,000    
Exercise Price | $ / shares $ 0.61 $ 0.61