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Consolidated Statements of Cash Flows (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011
Operating Activities: |  |
Net income | $ 3,549,231 | $ 2,811,193
Adjustments to reconcile net income to net cash (used) provided by operating activities |  |
Depreciation | 862,035 | 795,452
Amortization | 227,662 | 183,385
Stock compensation expense | 427,877 | 428,439
Deferred income taxes | (34,860) | (185,162)
Changes in operating assets and liabilities |  |
Accounts receivable | (3,556,267) | (76,021)
Inventories | (5,310,860) | (1,127,005)
Prepaid expenses and other current assets | (395,291) | 271,550
Accounts payable | 1,484,949 | (1,031,524)
Other accrued liabilities | 1,472,912 | (7,239)
Total adjustments | (4,821,843) | (748,125)
Net cash (used) provided by operating activities | (1,272,612) | 2,063,068
Investing Activities: |  |
Purchase of property, plant, and equipment | (681,135) | (940,713)
Purchase of patents and trademarks | (133,436) | (101,853)
Acquisition of assets in business combination | (1,473,793) | (3,126,986)
Net cash used by investing activities | (2,288,364) | (4,169,552)
Financing Activities: |  |
Net borrowings of long-term debt | 6,751,345 | 4,046,484
Distributions to shareholders | (1,089,627) | (771,582)
Purchase of treasury stock | (438,897) | (133,738)
Issuance of common stock | 171,872 | 287,269
Net cash provided by financing activities | 5,394,693 | 3,428,433
Effect of exchange rate changes | 62,804 | (70,022)
Net increase in cash and cash equivalents | 1,896,521 | 1,251,927
Cash and cash equivalents at beginning of year | 7,853,343 | 6,601,416
Cash and cash equivalents at end of year | 9,749,864 | 7,853,343
Supplemental cash flow information |  |
Cash paid for income taxes | 831,791 | 1,293,036
Cash paid for interest expense | $ 436,084 | $ 390,418

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