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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Cash flows from operating activities:    
Net loss $ (46,185) $ (67,969)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities    
Depreciation and amortization 22,522 27,206
Fair value adjustment on derivative instrument 0 (926)
Provision for expected credit losses 446 189
Impairment of capitalized software 5,239 3,014
Provision for excess and obsolete inventory 9,562 2,614
Write-off of capitalized inventory order fees 1,275 0
Impairment of operating lease right-of-use assets 469 0
Share-based compensation expense 7,444 17,875
Amortization of debt discount and debt issuance costs 1,953 2,960
Loss on debt conversion and extinguishment, net 0 450
Deferred income taxes 388 (570)
Non-cash operating lease expense 1,726 1,268
Changes in assets and liabilities, net of effects of divestiture:    
Accounts receivable 1,891 2,441
Inventories 669 (3,065)
Prepaid expenses and other assets 2,441 5,642
Accounts payable (1,860) (26,313)
Accrued expenses other liabilities 1,110 3,450
Operating lease liabilities (1,925) (1,555)
Net cash provided by (used in) operating activities 7,165 (33,289)
Cash flows from investing activities:    
Purchases of property, plant and equipment (704) (1,481)
Additions to capitalized software development costs and purchases of intangible assets (9,465) (11,838)
Net cash used in investing activities (10,169) (13,319)
Cash flows from financing activities:    
Net repayment of bank and overdraft facilities (186) (569)
Net (repayments) borrowings on asset-backed revolving credit facility (3,757)  
Net (repayments) borrowings on asset-backed revolving credit facility   7,851
Payment of debt issuance costs on asset-backed revolving credit facility 0 (1,126)
Principal payments under finance lease obligations 0 (62)
Principal payments on financed assets 0 (1,567)
Proceeds from a public offering, net of issuance costs 6,057 0
Proceeds from stock option exercises and ESPP 97 900
Net cash provided by financing activities 2,211 5,427
Effect of exchange rates on cash 1,169 (1,488)
Net increase (decrease) in cash, cash equivalents and restricted cash 376 (42,669)
Cash, cash equivalents and restricted cash, beginning of period 7,143 49,812
Cash and cash equivalents, end of period 7,519 7,143
Supplemental disclosures of cash flow information:    
Interest 6,013 5,535
Income taxes 142 168
Supplemental disclosures of non-cash activities:    
Transfer of inventories to rental assets 3,415 442
Operating right-of-use assets obtained in exchange for lease liabilities 1,030 705
Capital expenditures financed through accounts payable or accrued liabilities $ 98 $ 2,276