Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Cash flows from operating activities:
Net loss	$ (31,846)	$ (53,342)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	16,270	20,936
Provision for credit losses	612	29
Write-down of capitalized software	1,115	0
Provision for excess and obsolete inventory	7,011	1,330
Share-based compensation expense	6,030	15,892
Amortization of debt discount and debt issuance costs	2,048	2,472
Fair value adjustment on derivative instrument	0	(902)
Loss on debt conversion and extinguishment, net	0	450
Deferred income taxes	177	(223)
Right-of-use assets	437	1,057
Changes in assets and liabilities:
Accounts receivable	7,703	(561)
Inventories	7,685	(5,926)
Prepaid expenses and other assets	1,479	2,723
Accounts payable	1,162	(13,548)
Accrued expenses, income taxes, and other	2,561	6,276
Operating lease liabilities	(41)	(1,366)
Net cash provided by (used in) operating activities	22,403	(24,703)
Cash flows from investing activities:
Purchases of property, plant and equipment	(403)	(1,203)
Additions to capitalized software development costs	(6,114)	(9,242)
Net cash used in investing activities	(6,517)	(10,445)
Cash flows from financing activities:
Net borrowing (repayment) of bank and overdraft facilities	79	(458)
Principal payments under finance lease obligations	0	(62)
Proceeds from a public offering	6,057	0
Principal payments on financed assets	(360)	(1,567)
Repayments of Lines of Credit	(7,851)
Proceeds from Long-Term Lines of Credit		4,500
Payment of debt issuance costs on revolving credit facility	0	(1,126)
Proceeds from stock option exercises and employee stock purchase plan, net of taxes paid on vested restricted stock units	49	196
Net cash (used in) provided by financing activities	(2,026)	1,483
Effect of exchange rates on cash	(2,057)	1,916
Net increase (decrease) in cash, cash equivalents and restricted cash	11,803	(31,749)
Cash, cash equivalents and restricted cash, beginning of period	7,143	49,812
Cash, and cash equivalents, and restricted cash, end of period	18,946	18,063
Cash paid during the year for:
Interest	3,336	2,675
Income taxes	217	96
Supplemental disclosures of non-cash activities:
Transfer of inventories to rental assets	1,077	297
Capital expenditures financed through accounts payable or accrued liabilities	7,216	4,402
Right-of-use assets obtained in exchange for operating leases liabilities	$ 1,030	$ 342