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v3.3.1.900

Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Operating activities: |  |  |
Net loss | $ (2,602) | $ (11,799) | $ (27,953)
Adjustments to reconcile net loss to net cash used in operating activities: |  |  |
Depreciation and amortization | 1,904 | 2,931 | 4,006
Long-lived assets write-off due to restructuring |  |  | 1,011
Loss on disposal of fixed assets | 1 |  |
Provision for adjustments to accounts receivable and doubtful accounts | 31 | 347 | 730
Provision for excess and obsolete inventory | 48 | 124 | 76
Tax benefits from stock-based compensation | (5) |  |
Non cash compensation related to stock options and restricted stock | 2,158 | 3,652 | 3,533
Deferred income taxes |  | (2) |
Change in operating accounts: |  |  |
Accounts receivable | 40 | (1,000) | 660
Income tax receivable | 688 | (7) | (18)
Inventories | 10 | (54) | (67)
Prepaid expenses and other assets | 92 | 114 | (9)
Accounts payable and accrued liabilities | (1,362) | (2,189) | 2,429
Deferred revenue | (1,058) | 1,034 | (972)
Net cash used in operating activities | (55) | (6,849) | (16,574)
Investing activities: |  |  |
Capital expenditures | (124) | (216) | (829)
Sales (purchases) of short-term investments | (1,199) | 198 | 10,257
Net cash provided by (used in) investing activities | (1,323) | (18) | 9,428
Financing activities: |  |  |
Cash received from issuance of common stock, net of offering costs |  | 5,242 |
Cash received from stock sale for employee stock purchase plan | 17 | 21 | 36
Cash received from exercise of stock options | 10 | 6 |
Tax benefits received from stock-based compensation | 5 |  |
Net cash provided by financing activities | 32 | 5,269 | 36
Net decrease in cash and cash equivalents | (1,346) | (1,598) | (7,110)
Cash and cash equivalents, beginning of period | 10,165 | 11,763 | 18,873
Cash and cash equivalents, end of period | 8,819 | 10,165 | 11,763
Supplemental disclosures of cash flow information: |  |  |
Cash paid for income taxes | 17 | $ 75 | 165
Change in unrealized gain (loss) on short-term investments | $ (1) |  | $ 7

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- Definition The cash inflow associated with the amount received from the stock plan during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3255-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + 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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 + Details
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- References No definition available. + Details
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