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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2017
Apr. 01, 2016
Cash flows from operating activities:    
Net loss $ (2,203) $ (8,041)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation of property and equipment 756 591
Amortization of long-lived intangibles 54 54
Deferred income taxes (7) (1,639)
Change in net pension liability 66 118
Loss on disposal of property and equipment 67 0
Stock-based compensation expense 510 7,458
Provision for sales return and bad debt expense 232 (22)
Changes in working capital:    
Accounts receivable trade, net 624 (317)
Inventories 402 564
Prepayments, deposits, and other current assets (1,083) (912)
Accounts payable (1,157) (435)
Other current liabilities 1,114 (398)
Net cash used in operating activities (625) (2,979)
Cash flows from investing activities:    
Acquisition of property and equipment (313) (1,006)
Net cash used in investing activities (313) (1,006)
Cash flows from financing activities:    
Repayment of capital lease obligations (301) (92)
Repurchase of employee common stock for taxes withheld (217) (611)
Proceeds from vested restricted stock and exercise of stock options 597 7
Net cash provided by (used in) financing activities 79 (696)
Effect of exchange rate changes on cash, cash equivalents and restricted cash 360 247
Decrease in cash, cash equivalents and restricted cash (499) (4,434)
Cash, cash equivalents and restricted cash, at beginning of the period 14,118 13,521
Cash, cash equivalents and restricted cash, at end of the period $ 13,619 $ 9,087