CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Income Statement [Abstract]
REVENUE	$ 11,480	$ 25,141	$ 42,135	$ 91,352
COSTS AND EXPENSES:
Operations and support	4,797	13,457	19,020	49,719
Sales and marketing	3,829	8,263	12,026	21,489
Research and development	858	935	2,801	3,488
General and administrative	5,210	7,762	19,626	31,520
Depreciation and amortization	390	3,599	1,268	9,664
Goodwill impairment	0	53,898	9,536	121,088
Intangible and other asset impairments	500	0	500	0
(Gain) loss on disposal of assets	(10)	55	(32)	(33)
TOTAL COSTS AND EXPENSES	15,574	87,969	64,745	236,935
LOSS FROM OPERATIONS	(4,094)	(62,828)	(22,610)	(145,583)
OTHER EXPENSES (INCOME) AND LOSSES (GAINS), NET
Interest expense	961	1,198	2,836	4,363
Other (income) expense	146	9,422	162	12,356
NET LOSS FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	(5,201)	(73,448)	(25,608)	(162,302)
Income tax expense	5	14	18	47
NET LOSS FROM CONTINUING OPERATIONS	$ (5,206)	$ (73,462)	$ (25,626)	$ (162,349)
LOSS PER SHARE:
Basic (in dollars per share)	$ (0.38)	$ (8.00)	$ (1.90)	$ (19.55)
Diluted (in dollars per share)	$ (0.38)	$ (8.00)	$ (1.90)	$ (19.55)
Weighted average shares used to compute net loss per share:
Weighted average common shares outstanding – basic (in shares)	13,531,845	9,188,320	13,485,092	8,304,321
Weighted average common shares outstanding – diluted (in shares)	13,531,845	9,188,320	13,485,092	8,304,321