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CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 28, 2012 | Dec. 30, 2011 | Dec. 31, 2010
Cash flows from operating activities: |  |  |
Net income (loss) | $ (1,763) | $ 1,348 | $ 53
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: |  |  |
Income from discontinued operations | 0 | 0 | (4,166)
Depreciation of property and equipment | 1,309 | 1,469 | 1,590
Amortization of intangibles | 652 | 797 | 816
Amortization of discount | 0 | 0 | 236
Deferred income taxes | 143 | 367 | 253
Loss on extinguishment of debt | 0 | 0 | 267
Fair value adjustment of warrant | (335) | 117 | 144
Change in net pension liability | 205 | 257 | 318
Loss (gain) on disposal of property and equipment | 131 | 13 | (2)
Stock-based compensation expense | 3,208 | 1,914 | 1,248
Accretion of asset retirement obligation | 16 | 0 | 0
Other | 77 | (320) | 93
Changes in working capital: |  |  |
Accounts receivable trade, net | 224 | (435) | (207)
Inventories | (1,020) | (85) | 1,521
Prepaids, deposits and other current assets | (298) | (145) | 780
Accounts payable | 1,014 | 480 | (1,204)
Other current liabilities | (346) | (431) | (5,522)
Net cash provided by operating activities of discontinued operations | 0 | 0 | (635)
Net cash provided by (used in) operating activities | 3,217 | 5,346 | (4,417)
Cash flows from investing activities: |  |  |
Proceeds from sale of subsidiary, net of transaction costs | 0 | 0 | 11,824
Acquisition of property and equipment | (2,271) | (962) | (320)
Proceeds from the sale of property and equipment | 0 | 26 | 29
Net change in other assets | (4) | 47 | 24
Purchase of short-term investments | 0 | 0 | (219)
Sale of short-term investments | 0 | 0 | 87
Decrease in restricted cash, including reinvested interest | 129 | 0 | 7,396
Net cash used in investing activities of discontinued operations | 0 | 0 | (50)
Net cash (used in) provided by investing activities | (2,146) | (889) | 18,771
Cash flows from financing activities: |  |  |
Repayment of notes payable | 0 | 0 | (5,000)
Borrowings under lines of credit | 3,510 | 0 | 0
Repayment of capital lease lines of credit | (741) | (575) | (796)
Proceeds from the exercise of stock options | 1,514 | 3,343 | 1,124
Redemption of Series A preferred stock | 0 | 0 | (6,800)
Net cash used in financing activities of discontinued operations | 0 | 0 | (50)
Net cash provided by (used in) financing activities | 4,283 | 2,768 | (11,522)
Effect of exchange rate changes on cash and cash equivalents | (261) | (19) | 214
Increase in cash and cash equivalents | 5,093 | 7,206 | 3,046
Cash and cash equivalents, at beginning of year | 16,582 | 9,376 | 6,330
Cash and cash equivalents, at end of year | $ 21,675 | $ 16,582 | $ 9,376

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- Definition The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph i -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: 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=6943989&loc=d3e3255-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 19 -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 18 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The cash outflow for the obligation for a lease meeting the criteria for capitalization (with maturities exceeding one year or beyond the operating cycle of the entity, if longer). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 26, 31 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3291-108585 + Details
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- Definition The cash outflow for a borrowing supported by a written promise to pay an obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 18 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. 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 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3291-108585 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 20 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + 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 Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: 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=6943989&loc=d3e3602-108585 + Details
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