CAPITAL STOCK - Narrative (Details) - USD ($)			1 Months Ended
	Jul. 14, 2020	Feb. 17, 2020	Jun. 30, 2020	Jul. 13, 2020	Apr. 20, 2020	Apr. 14, 2020	Dec. 31, 2019
Class of Stock [Line Items]
Common stock, shares issued (in shares)			26,671,573				8,480,968
Aggregate purchase price for stock and warrants			$ 200,000
Aggregate offering price						$ 8,000,000.0
Preferred shares authorized (in shares)			5,000,000
Par value (in dollars per share)			$ 0.01
2020 Omnibus Plan
Class of Stock [Line Items]
Shares available for grant (in shares)			0
Outstanding options | 2020 Omnibus Plan
Class of Stock [Line Items]
Shares available for grant (in shares)			694,162		54,389
Subsequent Event
Class of Stock [Line Items]
Number of shares authorized to be repurchased	100,000,000			50,000,000
Increase (decrease) in number of authorized shares (in shares)	50,000,000
Subsequent Event | 2020 Omnibus Plan
Class of Stock [Line Items]
Number of shares authorized to be repurchased	5,179,389			679,389
Increase (decrease) in number of authorized shares (in shares)	4,500,000
Pre-Funded Warrant
Class of Stock [Line Items]
Exercise price (in usd per share)			$ 0.001
Common Stock Public Offering
Class of Stock [Line Items]
Common stock, shares issued (in shares)			14,790,133
Exercise price (in usd per share)			$ 1.25
Net proceeds from common stock public offering			$ 18,700,000
Underwriting commissions, discounts, and other offering expenses			$ 1,400,000
Common Stock Public Offering | Pre-Funded Warrant
Class of Stock [Line Items]
Stock issuable upon warrants (in shares)			2,709,867
Public offering price (in usd per share)			$ 1.15
Common Stock Public Offering | Accompanying Common Warrant
Class of Stock [Line Items]
Stock issuable upon warrants (in shares)			17,500,000
Public offering price (in usd per share)			$ 1.149
Private Placement Offerings
Class of Stock [Line Items]
Common stock, shares issued (in shares)		950,000
Aggregate gross purchase price		$ 2,000,000.0
Private Placement Offerings | Series A
Class of Stock [Line Items]
Stock issuable upon warrants (in shares)		606,420
Exercise price (in usd per share)		$ 0.01
Private Placement Offerings | Series B
Class of Stock [Line Items]
Stock issuable upon warrants (in shares)		1,556,420
Exercise price (in usd per share)		$ 1.16
Lincoln Park
Class of Stock [Line Items]
Purchase obligation		$ 28,000,000.0
Maximum commitment purchase amount		$ 1,000,000
Percentage of ownership after transaction		9.99%
Lincoln Park | Purchase Agreement
Class of Stock [Line Items]
Maximum shares allowed to be purchased		100,000
Maximum share increase amount		125,000
Closing sale price (in dollars per share)		$ 3.00
Lincoln Park | Regular Purchase
Class of Stock [Line Items]
Maximum share increase amount		150,000
Closing sale price (in dollars per share)		$ 5.00