Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Operating activities:
Net loss	$ (37,936)	$ (12,551)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	3,460	3,332
Goodwill impairment charge	23,989	0
Non-cash lease expense	(224)	(78)
Change in fair value of warrant and derivative liabilities	(227)	(3,413)
Loss on derecognition of debt	0	1,402
Amortization of debt discount and issuance costs	0	4,055
Stock based compensation	2,272	1,975
Gain on license of patents, net	(198)	0
Gain on disposal of assets	0	11
Changes in operating accounts:
Accounts receivable	4,087	(1,373)
Prepaid expenses and other assets	(241)	69
Accounts payable and accrued liabilities	(505)	(1,542)
Other liabilities	(30)	622
Net cash used in operating activities	(5,553)	(7,491)
Investing activities:
Capital expenditures, net	(11)
Capital expenditures, net		3
Proceeds from license of patents, net	198	0
Other investing activities, net	0	71
Net cash provided by investing activities	187	74
Financing activities:
Proceeds from Common Stock, Warrants, and Pre-Funded Warrants Offering, net	3,351	0
Proceeds from financing arrangements	1,044	442
Repayments of financing arrangements	(529)	(642)
Other financing activities	3	8
Net cash provided by (used in) financing activities	3,869	(192)
Net decrease in cash and cash equivalents	(1,497)	(7,609)
Cash and cash equivalents, beginning of period	7,125	14,026
Cash and cash equivalents, end of period	5,628	6,417
Non-cash investing and financing activities:
Issuance of Common Stock in settlement and prepayment of notes payable	$ 0	$ 7,500