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CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2013 | Mar. 31, 2012
CASH FLOWS FROM OPERATING ACTIVITIES: |  |
Net income | $ 671 | $ 5,748
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation and amortization | 7,683 | 4,770
Loss on sales and/or abandonment of property and equipment | 7 | 0
Write-off of patents | 2 | 0
Acquired in-process research and development | 0 | 175
Amortization of deferred credits | (32) | (24)
Amortization of long-term debt issuance costs | 199 | 0
Deferred income taxes | 2 | 13
Excess tax benefit from stock-based compensation | (53) | (4)
Stock-based compensation expense | 459 | 555
Changes in operating assets and liabilities, net of effects from acquisitions: |  |
Trade receivables | (1,473) | (4,871)
Employee receivables | (18) | (20)
Other receivables | (586) | (1,011)
Inventories | 2,149 | (544)
Prepaid expenses | (1,242) | (625)
Prepaid income taxes | 17 | (8)
Income tax refund receivable | (782) | 42
Other assets | (377) | (436)
Trade payables | (2,084) | 1,295
Accrued expenses | (2,280) | 653
Advances from employees | 90 | 404
Income taxes payable | (34) | 1,425
Deferred compensation payable | 281 | 481
Other long-term obligations | 294 | (533)
Total adjustments | 2,222 | 1,737
Net cash provided by operating activities | 2,893 | 7,485
Capital expenditures for: |  |
Property and equipment | (19,961) | (17,733)
Patents and trademarks | (394) | (402)
Proceeds from the sale of property and equipment | 8 | 3
Cash paid in acquisitions | (1,000) | (11,770)
Net cash used in investing activities | (21,347) | (29,902)
CASH FLOWS FROM FINANCING ACTIVITIES: |  |
Proceeds from issuance of common stock | 571 | 118
Borrowings under long-term debt | 34,199 | 66,573
Payments on long-term debt | (17,512) | (44,786)
Excess tax benefits from stock-based compensation | 53 | 4
Proceeds from industrial assistant grants | 750 | 0
Contingent payments related to acquisitions | (19) | 0
Net cash provided by financing activities | 18,042 | 21,909
EFFECT OF EXCHANGE RATES ON CASH | (290) | 41
NET DECREASE IN CASH AND CASH EQUIVALENTS | (702) | (467)
CASH AND CASH EQUIVALENTS: |  |
Beginning of period | 9,719 | 10,128
End of period | 9,017 | 9,661
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION-Cash paid during the period for: |  |
Interest (net of capitalized interest of $394 and $66, respectively) | 1,493 | 63
Income taxes | 403 | 546
SUPPLEMENTAL DISCLOSURES OF NON-CASH INVESTING AND FINANCING ACTIVITIES: |  |
Property and equipment purchases in accounts payable | 5,354 | 7,575
Acquisition purchases in accrued expenses and other long-term obligations | $ 0 | $ 12,500

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