SERIES A CONVERTIBLE PREFERRED STOCK - Additional Information (Details) - USD ($)	3 Months Ended	12 Months Ended
	Mar. 31, 2021	Dec. 31, 2020
Class of Stock [Line Items]
Preferred stock dividend rate (in percentage)	125.00%
Redemption price (in dollars per share)	$ 4,385.000
Common stock dividends shares	60,758	58,288
Preferred stock unpaid dividend equivalent common stock, Shares	$ 266,000	$ 255,000
Preferred stock liquidation preference value	1,166,000	$ 1,155,000
Aggregate amount to redemption	$ 1,391,000
Preferred stock liquidation preference per share	$ 10
Series A Preferred Stock
Class of Stock [Line Items]
Preferred stock outstanding shares	90,000	90,000
Preferred stock issue per share	$ 10
Preferred stock dividend rate (in percentage)	5.00%
Redemption price (in dollars per share)	$ 4.385
Dividends payable	$ 11,000
Common stock dividends shares	2,530