Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Operating activities:
Net loss	$ (29,279)	$ (31,043)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	7,556	9,338
Non-cash lease expense	1,144	1,160
Non-cash transaction costs including amortization	3,324	0
Change in fair value	(4,669)	12,864
Provision for doubtful accounts	0	5
Provision for excess and obsolete inventory	0	(97)
Stock based compensation	4,948	4,848
Deferred income taxes	61	58
Gain (loss) on disposal of assets	4	(14)
Changes in operating accounts:
Accounts receivable	85	7,938
Prepaid expenses and other assets	(25)	(268)
Accounts payable and accrued liabilities	(2,570)	(16,309)
Other liabilities	160	(1,396)
Net cash used in operating activities	(19,261)	(12,916)
Investing activities:
Acquisitions, net	0	(56,865)
Capital expenditures, net	(49)	(830)
Other investing activities	164	192
Net cash provided by (used in) investing activities	115	(57,503)
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
Payments related to contingent consideration	0	(1,136)
Proceeds from exercise of common stock warrants	0	2,066
Proceeds from financing arrangements	1,541	0
Repayments of financing arrangements	(1,278)	0
Other financing activities	58	102
Net cash provided by financing activities	17,094	60,743
Net decrease in cash and cash equivalents	(2,052)	(9,676)
Cash and cash equivalents, beginning of year	16,078	25,754
Cash and cash equivalents, end of year	14,026	16,078
Supplemental disclosures of cash flow information:
Cash paid for income taxes	253	84
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	$ 9,561	$ 0