CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Cash flows from operating activities:
Net income (loss)	$ (83,068)	$ 152
Adjustments to reconcile net income (loss) to cash and cash equivalents used in operating activities:
Depreciation and amortization	5,873	4,411
Amortization of debt issuance costs and debt discount	6,205	2,444
Goodwill impairment charges	16,867	9,944
Share-based compensation	17,810	27,683
Change in fair value of liability classified warrants	286	(1,843)
Change in fair value of liability classified earnouts	(803)	(59,215)
Change in fair value of liability classified conversion option derivatives	(878)	(24,200)
Unrealized (gain) loss on investments	(249)	378
Accretion of discount on investment securities	(2,631)	(1,020)
Deferred taxes	(76)	(263)
Gain on loan forgiveness	0	(183)
Bad debt expense	2,020	476
(Gain) loss on disposal of property and equipment	(30)	21
Changes in operating assets and liabilities, net of business combinations:
Accounts receivable	(4,564)	(20,285)
Inventories	(4,385)	(1,732)
Other receivables	66	620
Prepaid expenses	3,128	4,282
Operating lease right-of-use assets	5,806	5,404
Other assets	(84)	(157)
Accrued expenses and other current liabilities	3,357	2,349
Income taxes payable	(255)	123
Accounts payable	5,057	(6,187)
Current and long-term operating lease liabilities	(5,324)	(3,801)
Other non-current liabilities	(443)	(1,157)
Net cash and cash equivalents used in operating activities	(36,315)	(61,756)
Cash flows from investing activities:
Purchases of property and equipment	(4,567)	(5,529)
Cash paid for practice acquisitions, net	(4,456)	(8,577)
Purchases of marketable securities/investments	(9,595)	(117,508)
Sales of marketable securities/investments	81,258	0
Net cash and cash equivalents provided by (used in) investing activities	62,640	(131,614)
Cash flows from financing activities:
Proceeds from issuance of long-term debt	0	110,000
Transactions costs related to issuance of long-term debt	0	(3,663)
Payments made for financing of insurance payments	(3,269)	(5,009)
Payment of deferred consideration liability for acquisition	(2,584)	(509)
Principal payments on financing leases	(101)	(58)
Common stock repurchase	(1,019)	(9,000)
Common stock issued for options exercised	126	858
Taxes for common stock net settled	0	(413)
Net cash and cash equivalents provided by (used in) financing activities	(6,847)	92,206
Net (decrease) increase in cash and cash equivalents	19,478	(101,164)
Cash and cash equivalents at beginning of period	14,010	115,174
Cash and cash equivalents at end of period	33,488	14,010
Cash paid for:
Income taxes	403	150
Interest	4,506	224
Supplemental disclosure of noncash investing and financing activities:
Deferred consideration as part of practice acquisitions	1,813	0
Discount on senior secured convertible note	0	28,160
Financed insurance premiums	1,253	0
Purchases of property and equipment included in accounts payable	$ 182	$ 0