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Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Cash flows from operating activities    
Net loss $ (1,496) $ (10,326)
Less: Net loss from discontinued operations, net of tax (2,140)
Net loss from continuing operations (1,496) (8,186)
Adjustments to reconcile net loss from continuing operations to net cash used in operating activities:    
Depreciation and amortization expense 470 341
Non-cash rent expense 59
Accretion and amortization of loan fees 140
Share-based compensation expense 845 1,760
Deferred income taxes (279) 43
Changes in operating assets and liabilities:    
Accounts receivable, net (900) (315)
Inventory, net (2,021) (304)
Prepaid expenses and other assets (1,717) (1,061)
Accounts payable 142 (2,690)
Accrued liabilities (762) (1,895)
Deferred income 85
Other liabilities, net 58
Net cash used in operating activities from continuing operations (5,574) (12,109)
Cash flows from investing activities    
Purchases of property and equipment (142) (582)
Net cash used in investing activities from continuing operations (142) (582)
Cash flows from financing activities    
Proceeds from exercise of share options 1,799 84
Payments of tax withheld on exercises of options and vesting of restricted share units (145) (156)
Payments on capital lease (19)
Net cash provided by (used in) financing activities from continuing operations 1,654 (91)
Net cash flows of continuing operations (4,062) (12,782)
Cash flows from discontinued operations    
Net operating cash flows provided by discontinued operations 178
Net investing cash flows used in discontinued operations (536)
Net financing cash flows used in discontinued operations (3)
Net cash flows of discontinued operations (361)
Effect of exchange rate changes on cash, cash equivalents, and restricted cash 736 57
Net decrease in cash, cash equivalents, and restricted cash (3,326) (13,086)
Cash, cash equivalents, and restricted cash at beginning of period 192,944 90,532
Cash, cash equivalents, and restricted cash at end of period $ 189,618 $ 77,446