STOCKHOLDERS’ EQUITY - Shares Outstanding (Details) € in Millions	Jun. 30, 2022 $ / shares shares	Apr. 20, 2021 $ / shares	Feb. 05, 2021 EUR (€)	Nov. 18, 2020 $ / shares
Class of Warrant or Right [Line Items]
Number of incremental shares outstanding	14,681,305
Exercise price of warrants (in dollars per share) | $ / shares		$ 55.00
Sinclair
Class of Warrant or Right [Line Items]
Options (in shares)	1,639,669
Exercisable term				7 years
Equity Incentive Plan
Class of Warrant or Right [Line Items]
Outstanding awards under Equity Incentive Plans (in shares)	1,002,043
Penny Warrant
Class of Warrant or Right [Line Items]
Exercise price of warrants (in dollars per share) | $ / shares				$ 0.01
Penny Warrant | Sinclair
Class of Warrant or Right [Line Items]
Warrants (in shares)	7,911,724
Performance Warrant
Class of Warrant or Right [Line Items]
Exercise price of warrants (in dollars per share) | $ / shares				0.01
Performance Warrant | Sinclair
Class of Warrant or Right [Line Items]
Warrants (in shares)	3,279,337
Option on Securities | Minimum
Class of Warrant or Right [Line Items]
Exercise price of warrants (in dollars per share) | $ / shares				30.00
Option on Securities | Minimum | Sinclair
Class of Warrant or Right [Line Items]
Exercise price of warrants (in dollars per share) | $ / shares				30.00
Option on Securities | Maximum
Class of Warrant or Right [Line Items]
Exercise price of warrants (in dollars per share) | $ / shares				45.00
Option on Securities | Maximum | Sinclair
Class of Warrant or Right [Line Items]
Exercise price of warrants (in dollars per share) | $ / shares				$ 45.00
Monkey Knife Fight
Class of Warrant or Right [Line Items]
Contingent shares (in shares)	393,779
Monkey Knife Fight | Penny Warrant
Class of Warrant or Right [Line Items]
Warrants (in shares)	34,455
Telescope
Class of Warrant or Right [Line Items]
Contingent shares (in shares)	75,678
SportCaller
Class of Warrant or Right [Line Items]
Contingent shares (in shares)	344,620
Consideration payable in shares | €			€ 6.5
Conversion rate	1.0487		0.8334
Closing price (in usd per share) | $ / shares	$ 19.78