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LIQUIDITY AND GOING CONCERN (Details) - USD ($) $ in Thousands			12 Months Ended
	Feb. 12, 2020	Jun. 06, 2019	Dec. 31, 2019	Jan. 31, 2020	Dec. 31, 2018
Cash balances			$ 1,870	$ 1,600	$ 1,577
Working capital			1,300
Period for financing from common stock	24 months
Remaining sales capacity	$ 3,500
ATM Offering
Net proceeds from direct offering			4,200
Available for future sales	3,200
Lincoln Park | PA
Maximum financing from common stock	$ 10,000	$ 10,000
Period for financing from common stock		24 months
Cantor Fitzgerald & Co | Controlled Equity Offering Sales Agreement
Available for future sales			$ 22,800

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