BUSINESS - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands, shares in Millions			3 Months Ended		9 Months Ended	36 Months Ended
	Oct. 31, 2019	Oct. 09, 2019	Sep. 30, 2019	Sep. 30, 2018	Apr. 30, 2021	Jun. 30, 2019
Debt Instrument [Line Items]
Cash			$ 25,540			$ 27,464
Working capital deficit			(9,700)
Current maturities			10,000
Sales tax liability and interest			18,000
Net loss			$ 12,897	$ 6,320		$ 50,800
Private Placement | Subsequent Event
Debt Instrument [Line Items]
Sale of stock (in shares)		3.8
Sale of stock (in dollars per share)		$ 5.25
Offering proceeds, gross		$ 19,950
Cash placement fee		1,200
Commitment Letter | Subsequent Event | Term Loan
Debt Instrument [Line Items]
First draw	$ 15,000
Interest rate	9.75%
Forecast | Commitment Letter | Subsequent Event | Term Loan
Debt Instrument [Line Items]
Maximum borrowing capacity		30,000
Commitment fee		1,200
Cash placement fee		$ 750
Second draw					$ 15,000