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RELATED PARTY TRANSACTIONS (Details) - USD ($) $ / shares in Units, $ in Thousands				1 Months Ended		4 Months Ended	6 Months Ended	12 Months Ended		15 Months Ended
	Jun. 28, 2019	Jun. 27, 2019	Oct. 09, 2015	Jul. 31, 2017	Mar. 31, 2017	Mar. 31, 2021	Jun. 27, 2019	Dec. 31, 2020	Dec. 31, 2019	Jul. 31, 2021
Related Party Transaction [Line Items]
Aggregate principal of promissory notes and accrued interest								$ 6,000
Number Of Common Stock Need To Hold To Designate As Director				600,000
Proceeds from License Fees Received			$ 5,000
Warrant to purchase shares of common stock	10,000,000
Class Of Warrants Or Rights, Expiry Period				5 years
AD Pharma Agreement
Related Party Transaction [Line Items]
Proceeds from License Fees Received	$ 350
Subsequent event \| AD Pharma Agreement
Related Party Transaction [Line Items]
Proceeds from License Fees Received										$ 200
MainPointe (Nexafed)
Related Party Transaction [Line Items]
Proceeds from License Fees Received					$ 2,500
Asset Transferred, License Agreement					$ 309
Licensing Agreement, Royalty Percentage					7.50%
MainPointe (Nexafed) \| Royalty
Related Party Transaction [Line Items]
Royalty revenues								9	$ 16
Investor
Related Party Transaction [Line Items]
Class of Warrant or Right, Exercise Price of Warrants or Rights				$ 0.528
Warrant to purchase shares of common stock				1,782,531
Investor \| Private Placement
Related Party Transaction [Line Items]
Sale of Stock, Consideration Received on Transaction				$ 4,000
Sale of Stock, Number of Shares Issued in Transaction				8,912,655
Sale of Stock, Price Per Share				$ 0.4488
Class of Warrant or Right, Exercise Price of Warrants or Rights				$ 0.528
Sale Of Stock, Issue Price Description				85%
Warrants Not Settleable in Cash, Fair Value Disclosure								495
Proceeds from Issuance of Warrants								$ 4,000
Warrant to purchase shares of common stock				1,782,532
Schutte
Related Party Transaction [Line Items]
Aggregate principal of promissory notes and accrued interest	$ 6,000
Fixed interest rate	7.50%
Share Price	$ 0.16
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 0.01
Debt Conversion, Converted Instrument, Shares Issued	37,500,000
Proceeds from Issuance of Long-term Debt	$ 725	$ 650					$ 650
Schutte \| AD Pharma Agreement
Related Party Transaction [Line Items]
Aggregate principal of promissory notes and accrued interest	$ 6,000
Debt Conversion, Converted Instrument, Warrants or Options Issued	10,000,000
Abuse Deterrent Pharma, LLC \| AD Pharma Agreement
Related Party Transaction [Line Items]
Proceeds from License Fees Received	$ 350									200
Abuse Deterrent Pharma, LLC \| Subsequent event
Related Party Transaction [Line Items]
Reimbursable development expense						$ 100
Abuse Deterrent Pharma, LLC \| Subsequent event \| AD Pharma Agreement
Related Party Transaction [Line Items]
Proceeds from License Fees Received										$ 200
Reimbursable development expense						$ 200
Abuse Deterrent Pharma, LLC \| MainPointe (Nexafed)
Related Party Transaction [Line Items]
Option product exercise price waived if the exercise of the option occurred by five years	$ 500
Period to waive option product exercise price	5 years