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CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Jan. 03, 2014 | Dec. 28, 2012 | Dec. 30, 2011
Cash flows from operating activities: |  |  |
Net income (loss) | $ 398 | $ (1,763) | $ 1,348
Adjustments to reconcile net income (loss) to net cash provided by operating activities: |  |  |
Depreciation of property and equipment | 1,711 | 1,309 | 1,469
Amortization of intangibles | 440 | 652 | 797
Deferred income taxes | 104 | 143 | 367
Fair value adjustment of warrant | (27) | (335) | 117
Change in net pension liability | 162 | 205 | 257
Loss on disposal of property and equipment | 200 | 131 | 13
Stock-based compensation expense | 4,489 | 3,208 | 1,914
Accretion of asset retirement obligation | 10 | 16 | 0
Provision for sales return and bad debt | 263 | 77 | (320)
Changes in working capital: |  |  |
Accounts receivable trade, net | (2,938) | 224 | (435)
Inventories | (1,603) | (1,020) | (85)
Prepaids, deposits and other current assets | (1,063) | (298) | (145)
Accounts payable | 367 | 1,014 | 480
Other current liabilities | 842 | (346) | (431)
Net cash provided by operating activities | 3,355 | 3,217 | 5,346
Cash flows from investing activities: |  |  |
Acquisition of property and equipment | (3,448) | (2,271) | (962)
Proceeds from the sale of property and equipment | 0 | 0 | 26
Net change in other noncurrent assets | 0 | (4) | 47
Decrease in restricted cash, including reinvested interest | 0 | 129 | 0
Net cash used in investing activities | (3,448) | (2,146) | (889)
Cash flows from financing activities: |  |  |
Borrowings under lines of credit | 0 | 3,510 | 0
Repayment of capital lease lines of credit | (841) | (741) | (575)
Proceeds from the exercise of stock options | 3,286 | 1,514 | 3,343
Net cash provided by financing activities | 2,445 | 4,283 | 2,768
Effect of exchange rate changes on cash and cash equivalents | (1,073) | (261) | (19)
Increase in cash and cash equivalents | 1,279 | 5,093 | 7,206
Cash and cash equivalents, at beginning of year | 21,675 | 16,582 | 9,376
Cash and cash equivalents, at end of year | $ 22,954 | $ 21,675 | $ 16,582

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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 Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: 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 Reference 3: 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=31042434&loc=d3e3255-108585 + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- 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 Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 + Details
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Balance Type: | credit
Period Type: | duration

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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=31042434&loc=d3e3602-108585 + Details
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