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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Cash Flows From Operating Activities:    
Loss $ (13,264) $ (34,554)
Adjustments to reconcile loss to net cash provided by (used in) operating activities related to continuing operations:    
Depreciation and amortization 559 1,973
Impairment of goodwill and intangible assets 3,518 21,481
Provision for doubtful accounts 457 1,533
Deferred income taxes 470 865
Stock-based compensation 1,969 2,280
Loss on disposal of property and equipment 213
Loss on sale assets 2,574 515
Changes in operating assets and liabilities:    
Accounts receivable 2,943 7,460
Inventories 1,444 4,707
Prepaid expenses and other assets (256) 6,195
Accounts payable (144) (3,376)
Accrued compensation and related expenses 1,118 708
Other accrued liabilities 69 (4,045)
Deferred revenues (1,312) (2,969)
Adjustments related to continuing operations 13,622 37,327
Adjustment related to discontinued operations (9,235)
Net cash provided by (used in) operating activities 358 (6,462)
Cash Flows From Investing Activities:    
Decrease in restricted cash 382
Purchases of property and equipment (94) (321)
Proceeds from short-term deposit 87
Proceeds on sale of property and equipment 110
Proceeds on sale of assets 1,750 1,210
Net cash provided by investing activities - continuing operations 2,148 976
Net cash provided by investing activities - discontinued operations 76,153
Net cash provided by investing activities 2,148 77,129
Cash Flows From Financing Activities:    
Registration costs (84)
Proceeds from note payable 5,460
Repayment of debt (76,500)
Payments on notes payable (6,144) (914)
Net cash used in financing activities - continuing operations (684) (77,498)
Net cash used in financing activities - discontinued operations (92)
Net cash used in financing activities (684) (77,590)
Effect of exchange rate changes on cash (2,789) (124)
Net decrease in cash and cash equivalents (967) (7,047)
Cash and cash equivalents, beginning of year 3,302 10,349
Cash and cash equivalents, end of year 2,335 3,302
Supplemental information:    
Cash paid for income taxes 203 85
Cash paid for interest $ 281 $ 1,594