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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Cash flows from operating activities    
Net loss $ (8,956) $ (6,641)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 440 439
Provision for inventory obsolescence 13 413
Stock based compensation 2,563 2,146
Provision for allowance for doubtful accounts 46 486
Changes in operating assets and liabilities:    
Trade receivables (656) 1,195
Prepaid expenses and other assets (1,160) (1,410)
Income tax receivables 0 (6,017)
Inventories (1,198) (571)
Accounts payable 1,296 (232)
Accrued and other liabilities 554 (2,241)
Net cash used in operating activities (7,058) (12,433)
Cash flows from investing activities    
Payments to Acquire Property, Plant, and Equipment (221) (184)
Net cash used in investing activities (221) (184)
Cash flows from financing activities    
Proceeds from stock option exercises 21 72
Repayment of finance lease liabilities (120) (120)
Contributions from non-controlling interests 195 0
Net cash provided by (used in) financing activities 96 (48)
Effect of exchange rates on cash (62) 9
Net change in cash and cash equivalents (7,245) (12,656)
Cash and cash equivalents, beginning of period 41,915 58,812
Cash and cash equivalents, end of period 34,670 46,156
Cash paid for:    
Interest 4 8
Income taxes $ 13 $ 54