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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Cash flows from operating activities    
Net loss $ (13,190) $ (10,375)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 674 662
Provision for inventory obsolescence 15 427
Loss on disposal of property and equipment 47 0
Stock based compensation 3,747 3,209
Provision for allowance for doubtful accounts 57 486
Changes in operating assets and liabilities:    
Trade receivables (3,168) 1,389
Prepaid expenses and other assets (23) (981)
Income tax receivables 0 (6,812)
Inventories (1,982) (717)
Accounts payable 1,555 15
Accrued and other liabilities 1,605 (2,352)
Net cash used in operating activities (10,663) (15,049)
Cash flows from investing activities    
Purchases of property and equipment (391) (193)
Net cash used in investing activities (391) (193)
Cash flows from financing activities    
Proceeds from stock option exercises 49 97
Repayment of finance lease liabilities (181) (184)
Contributions from non-controlling interests 195 148
Net cash provided by financing activities 63 61
Effect of exchange rates on cash (26) (92)
Net change in cash and cash equivalents (11,017) (15,273)
Cash and cash equivalents, beginning of period 41,915 58,812
Cash and cash equivalents, end of period 30,898 43,539
Cash paid for:    
Interest 8 39
Income taxes $ 13 $ 54