Consolidated Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Total revenues (rental income)	$ 564	$ 541
Costs and expenses:
General and administrative	17,653	11,914
Depreciation	423	381
Total costs and expenses	18,076	12,295
Operating loss	(17,512)	(11,754)
Interest expense, net	(11,386)	(11,526)
Other income	0	33
Loss on extinguishment of debt	(1,399)	(12,394)
Loss before income taxes	(30,297)	(35,641)
Income tax expense	(10)	(7)
Loss from equity-method investments	(942)	(2,169)
Net loss and comprehensive loss	(31,249)	(37,817)
Less: Preferred stock dividend requirements	2,737	0
Net loss and comprehensive loss applicable to common stock	$ (33,986)	$ (37,817)
Basic and diluted net loss per common share (in dollars per share)	$ (0.84)	$ (1.11)
Basic and diluted weighted-average shares outstanding (in shares)	40,561	34,188