Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Operating activities:
Net loss	$ (21,307)	$ (27,035)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:
Depreciation and amortization	5,751	8,872
Non-cash lease expense	157	819
Non-cash transaction costs including amortization	1,422	0
Change in fair value	(3,457)	12,864
Provision for doubtful accounts	0	(3)
Provision for excess and obsolete inventory	0	(97)
Stock based compensation	3,849	3,622
Loss on disposal of assets	31	0
Changes in operating accounts:
Accounts receivable	1,108	5,951
Prepaid expenses and other assets	883	(199)
Accounts payable and accrued liabilities	(2,754)	(1,648)
Other liabilities	(161)	(871)
Net cash (used in) provided by operating activities	(14,478)	2,275
Investing activities:
Acquisitions, net	0	(56,865)
Capital expenditures, net	(85)	(738)
Other investing activities	94	74
Net cash provided by (used in) investing activities	9	(57,529)
Financing activities:
Proceeds from notes and warrants offering	15,000	0
Proceeds from stock and warrants offering	3,000	59,711
Stock, notes, and warrants offering costs	(1,227)	0
Proceeds from exercise of common stock warrants	0	2,066
Proceeds from financing arrangements	1,541	0
Repayments of financing arrangements	(978)	0
Other financing activities	56	95
Net cash provided by financing activities	17,392	61,872
Net increase in cash and cash equivalents	2,923	6,618
Cash and cash equivalents, beginning of period	16,078	25,754
Cash and cash equivalents, end of period	19,001	32,372
Supplemental disclosures of cash flow information:
Cash paid for income taxes	253	102
Non-cash investing and financing activities:
Issuance of common stock in connection with acquisition	0	8,381
Derivative and warrants in connection with notes and stock offerings	$ 9,578	$ 0