CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Cash flows from operating activities:
Net loss	$ (11,280)	$ (14,256)	$ (42,984)	$ (41,606)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	600	900	1,933	2,700
Amortization of right-of-use assets under operating leases	400	500	1,351	2,254
Amortization of intangible assets	1,352	1,281	3,912	3,849
PIK accrual			4,777	0
Share-based compensation expense			3,918	3,899
Bad debt expense	(203)	(22)	319	578
Amortization of debt discount			2,846	495
Amortization of debt issuance costs			1,846	712
Deferred income taxes			(224)	(329)
Loss on disposal of fixed assets			121	1
Change in fair value of warrant liability	(2,225)	0	(1,145)	0
Changes in operating assets and liabilities:
Accounts receivable			(311)	3,095
Prepaid expenses and other current assets			12,350	160
Other assets			(1,891)	363
Accounts payable and accrued expenses			(2,475)	(5,014)
Current and non-current operating lease liabilities			(1,351)	(2,444)
Other current and non-current liabilities			(587)	(1,006)
Net cash used in operating activities			(17,595)	(32,293)
Cash flows from investing activities:
Additions to premises and equipment			0	(863)
Proceeds from the sale of business			0	346
Net cash used in investing activities			0	(517)
Cash flows from financing activities:
Proceeds from issuance of common stock, net of issuance costs			20,461	0
Proceeds from sale of treasury stock, net of transaction costs			18,374	0
Debt issuance and amendment costs			(4,886)	0
Repayments of long-term debt			(30,000)	0
Distributions to non-controlling interests			(269)	(892)
Payments of tax withholding on issuance of restricted share units and restricted shares			(511)	(1,051)
Net cash provided by (used in) financing activities			3,169	(1,943)
Net decrease in cash, cash equivalents and restricted cash			(14,426)	(34,753)
Cash, cash equivalents and restricted cash at the beginning of the period			54,273	102,149
Cash, cash equivalents and restricted cash at the end of the period	39,847	67,396	39,847	67,396
Supplemental cash flow information:
Interest paid			16,989	10,167
Income taxes (refunded) paid, net			(4,034)	2,556
Acquisition of right-of-use assets with operating lease liabilities			329	797
Reduction of right-of-use assets from operating lease modifications or reassessments			(671)	(172)
Non-cash investing and financing activities:
Net decrease in payables for purchases of premises and equipment			0	(65)
Warrants issued in connection with Amended Credit Agreement			8,096	0
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents [Abstract]
Cash and cash equivalents	36,640	63,812	36,640	63,812
Restricted cash	3,207	3,584	3,207	3,584
Total cash, cash equivalents and restricted cash reported in the statements of cash flows	$ 39,847	$ 67,396	$ 39,847	$ 67,396