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Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011
Net (loss) income | $ (326) | $ 776
Depreciation | 1,635 | 1,662
Amortization |  | 1
Compensation costs – stock options | 233 | 197
Provision for losses on accounts receivable | 50 | 27
Gain from disposal of property and equipment | (7) | (108)
Accounts receivable | 3,591 | (4,710)
Prepaid expenses | (6) | 60
Refundable income taxes | (7) | 12
Other current assets | (41) | (117)
Other assets, net | (17) | (60)
Accounts payable | (2,966) | 4,470
Accrued payroll and other compensation | (269) | 372
Accrued income taxes | (18) | 20
Other accrued taxes | 43 | (9)
Deferred revenues | 75 | 117
Other liabilities and accrued expenses | 18 | 88
Net cash provided by operating activities | 1,988 | 2,798
Capital expenditures | (1,465) | (1,414)
Proceeds from disposal of property and equipment | 43 | 376
Net cash used in investing activities | (1,422) | (1,038)
Principal payments on capital lease obligations | (2) | (1)
Net cash used in financing activities | (2) | (1)
Increase in cash and cash equivalents | 564 | 1,759
Cash and cash equivalents at beginning of year | 7,324 | 5,565
Cash and cash equivalents at end of year | 7,888 | 7,324
Cash paid during the year for interest expense | 13 | 14
Cash received during the year as interest income | $ 2 | $ 5

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