SHARE-BASED COMPENSATION - Exercise Price Range (Details)	12 Months Ended
	Dec. 31, 2021 $ / shares shares
$0.01 - $1.00
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise price range, min (in dollars per share)	$ 0.01
Exercise price range, max (in dollars per share)	$ 1.00
Options outstanding, number of shares (in shares) | shares	2,700,000
Options outstanding, weighted-average exercise price (in dollars per share)	$ 0.30
Options outstanding, weighted-average remaining contractual term (in years)	4 years 9 months 3 days
Options exercisable, number of shares (in shares) | shares	2,700,000
Options exercisable, weighted-average exercise price (in dollars per share)	$ 0.30
Options exercisable, weighted-average remaining contractual term (in years)	4 years 9 months 3 days
$1.00 - $2.50
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise price range, min (in dollars per share)	$ 1.00
Exercise price range, max (in dollars per share)	$ 2.50
Options outstanding, number of shares (in shares) | shares	2,800,000
Options outstanding, weighted-average exercise price (in dollars per share)	$ 2.40
Options outstanding, weighted-average remaining contractual term (in years)	7 years 2 months 12 days
Options exercisable, number of shares (in shares) | shares	2,800,000
Options exercisable, weighted-average exercise price (in dollars per share)	$ 2.40
Options exercisable, weighted-average remaining contractual term (in years)	7 years 2 months 12 days
$2.50 - $13.00
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise price range, min (in dollars per share)	$ 2.50
Exercise price range, max (in dollars per share)	$ 13.00
Options outstanding, number of shares (in shares) | shares	1,000,000.0
Options outstanding, weighted-average exercise price (in dollars per share)	$ 7.67
Options outstanding, weighted-average remaining contractual term (in years)	6 years 10 months 9 days
Options exercisable, number of shares (in shares) | shares	1,000,000.0
Options exercisable, weighted-average exercise price (in dollars per share)	$ 7.67
Options exercisable, weighted-average remaining contractual term (in years)	6 years 10 months 9 days