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v3.19.1

Consolidated Statements of Cash Flows - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
Cash flows from operating activities: |  |
Net loss | $ (16,687,000) | $ (14,172,000)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Depreciation and amortization expense | 1,590,000 | 1,531,000
Impairment of goodwill and intangible assets |  | 13,493,000
Amortization of deferred rent | 12,000 | (44,000)
Stock-based compensation expense | 463,000 | 665,000
Provision for doubtful accounts, net | 159,000 | 252,000
Write-down of inventory to net realizable value | 787,000 | 649,000
Loss on disposal of assets | 1,000 | 7,000
Deferred income taxes | 6,531,000 | (1,877,000)
Changes in operating assets and liabilities: |  |
Receivables | 835,000 | (526,000)
Inventories | 155,000 | (10,756,000)
Prepaid expenses and other assets | 43,000 | 9,000
Accounts payable | (392,000) | 572,000
Accrued liabilities | 184,000 | (23,000)
Income taxes payable | (258,000) | 853,000
Deferred product revenue | (8,000) | 740,000
Other long-term liabilities | (36,000) | (644,000)
Net cash used in operating activities | (6,621,000) | (9,271,000)
Cash flows from investing activities: |  |
Capitalized patent defense costs | (4,698,000) | (2,289,000)
Purchase of property and equipment | (336,000) | (638,000)
Purchase of intangible assets | (101,000) | (278,000)
Proceeds from maturities and sales of marketable securities | 10,516,000 | 17,640,000
Purchase of marketable securities | (2,230,000) | (4,248,000)
Net cash provided by investing activities | 3,151,000 | 10,187,000
Cash flows from financing activities: |  |
Issuance of common stock | 9,883,000 |
Net proceeds from equity-based compensation programs | 39,000 | 130,000
Repurchase and cancellation of stock options |  | (287,000)
Dividend payments | (583,000) | (2,239,000)
Payments for stock repurchases | (147,000) | (5,119,000)
Net cash used in financing activities | 9,192,000 | (7,515,000)
Effect of exchange rate changes on cash and cash equivalents | (82,000) | 70,000
Net increase (decrease) in cash and cash equivalents | 5,640,000 | (6,529,000)
Cash and cash equivalents at the beginning of the year | 5,571,000 | 12,100,000
Cash and cash equivalents at the end of the year | 11,211,000 | 5,571,000
Supplemental disclosure of cash flow information: |  |
Cash paid for income taxes | $ 11,000 | $ 6,000

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- Definition Amount of expense related to write-down of receivables to the amount expected to be collected. Includes, but is not limited to, accounts receivable and notes receivable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.5) -URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=82913815&loc=SL49130534-203044 + Details
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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 + Details
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- References No definition available. + Details
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