SHAREHOLDERS' EQUITY , WARRANT ACTIVITY (Details)	Sep. 30, 2021 $ / shares shares
Class of Warrant or Right [Line Items]
Class of Warrant or Right, Outstanding	1,882,518
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right	539,508
PSP 1 Warrants
Class of Warrant or Right [Line Items]
Class of Warrant or Right, Outstanding	928,127
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares	$ 31.61
US Treasury CARES Act Loan [Member]
Class of Warrant or Right [Line Items]
Class of Warrant or Right, Outstanding	427,080
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares	$ 31.61
PSP 2 Warrants
Class of Warrant or Right [Line Items]
Class of Warrant or Right, Outstanding	305,499
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares	$ 52.25
PSP 3 Warrants
Class of Warrant or Right [Line Items]
Class of Warrant or Right, Outstanding	221,812
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares	$ 66.39