CAPITAL RAISE AND LIQUIDITY (Details) - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Feb. 11, 2021	Dec. 31, 2020
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Proceeds from common stock offering, net of transaction costs	$ 16,621,000	$ 0
Cash	25,836,000			$ 9,095,000
Cash used in operating activities	$ 652,000	$ (54,000)
Sales agreement with B. Riley Securities, Inc.
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Number of shares sold	471,970
Proceeds from common stock offering, net of transaction costs	$ 16,500,000
Maximum aggregate offering price			$ 30,000,000
Transaction costs included accounts payable	$ 87,000