STOCKHOLDERS' EQUITY, Common Stock and Preferred Stock (Details) $ / shares in Units, $ in Thousands			12 Months Ended
	Nov. 30, 2019 USD ($) shares	Nov. 14, 2019 USD ($) Number $ / shares shares	Dec. 31, 2019 USD ($) Vote $ / shares shares
Preferred Stock [Abstract]
Amount raised from issuance of stock			$ 0
Dividends [Abstract]
First dividend payment date		Sep. 30, 2020
Common Stock [Member]
Common Stock [Abstract]
Common stock voting rights per share | Vote			1
Cash dividends declared or paid			$ 0
Series A Preferred Stock [Member]
Preferred Stock [Abstract]
Amount raised from issuance of stock	$ 12,000	$ 12,700	$ 11,982
Issuance of series A convertible preferred stock, net of issuance costs (in shares) | shares	12,700	12,700	12,700
Dividend rate		9.60%
Liquidation preference per share (in dollars per share) | $ / shares			$ 1,000
Stock issuance cost			$ 700
Dividends [Abstract]
Increase in dividend rate on fifth anniversary		2.40%
Increased dividend rate		2.00%
Dividend rate if failure to perform certain obligations		14.00%
Undeclared accrued dividends			$ 200
Preferred Stock Holders Right to Convert into Common Stock [Abstract]
Conversion amount		$ 1,000
Initial conversion price (in dollars per share) | $ / shares		$ 2.36
Mandatory Conversion [Abstract]
Consecutive trading days, in which common stock exceeds the conversion price		20 days
Redemption [Abstract]
Amount of adjustment provided in charter agreement after fifth anniversary		$ 1,000
Registration Rights Agreement [Abstract]
Number of underwritten offerings | Number		2
Series A Preferred Stock [Member] | Minimum [Member]
Preferred Stock Holders Right to Convert into Common Stock [Abstract]
Percentage of common stock owned by holder and affiliates		19.99%
Mandatory Conversion [Abstract]
Weighted average price of common stock equals or exceeds the conversion price		2.25
Number of shares traded on each trading day (in shares) | shares		20,000
Registration Rights Agreement [Abstract]
Gross proceeds from underwritten offerings		$ 5,000