STOCKHOLDER'S EQUITY - Warrants (Details)	6 Months Ended
	Dec. 31, 2020 D $ / shares
STOCKHOLDER'S EQUITY
Public Warrants exercisable term after the completion of a business combination	12 months
Public Warrants expiration term	5 years
Stock price trigger for redemption of public warrants (in dollars per share)	$ 18.00
Redemption price per public warrant (in dollars per share)	$ 0.01
Minimum threshold written notice period for redemption of public warrants	30 days
Threshold trading days for redemption of public warrants | D	20
Threshold consecutive trading days for redemption of public warrants | D	30
Threshold issue price per share	$ 9.20
Percentage of gross proceeds on total equity proceeds	60.00%
Threshold trading days determining volume weighted average price	20 days
Adjustment of exercise price of warrants based on market value and newly issued price (as a percent)	115.00%
Adjustment of redemption price of stock based on market value and newly issued price (as a percent)	180.00%