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v3.8.0.1

Consolidated Statements of Cash Flows - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016
Operating Activities: |  |
Net income | $ 4,052,479 | $ 5,850,998
Adjustments to reconcile net income to net cash provided by operating activities |  |
Depreciation | 1,722,568 | 1,490,805
Amortization | 1,172,292 | 930,941
Stock compensation expense | 684,351 | 440,536
Deferred income taxes | 660,703 | 100,529
Changes in operating assets and liabilities |  |
Accounts receivable | (5,230,159) | 499,940
Inventories | (1,846,765) | (1,483,785)
Prepaid expenses and other current assets | 82,679 | 314,824
Accounts payable | 3,733,667 | 610,498
Other accrued liabilities | (220,939) | 101,927
Total adjustments | 758,397 | 3,006,214
Net cash provided by operating activities | 4,810,876 | 8,857,211
Investing Activities: |  |
Purchase of plant, property and equipment | (3,146,194) | (1,809,823)
Purchase of patents and trademarks |  | (29,371)
Purchase of building | (4,000,000) |
Acquisitions (Note 17) | (7,233,114) | (6,970,910)
Net cash used by investing activities | (14,379,308) | (8,810,104)
Financing Activities: |  |
Net borrowings of long-term debt | 10,514,417 | 7,023,205
Borrowings on mortgage | 4,000,000 |
Repayments on mortgage | (22,222) |
Distributions to shareholders | (1,408,428) | (1,332,757)
Cash settlement of stock options | (823,530) | (2,274,374)
Excess tax benefit from the exercise of stock options |  | 567,309
Purchase of treasury stock |  | (907,094)
Issuance of common stock | 649,231 | 394,538
Net cash provided by financing activities | 12,909,468 | 3,470,827
Effect of exchange rate changes | 86,463 | (33,056)
Net increase in cash and cash equivalents | 3,427,499 | 3,484,880
Cash and cash equivalents at beginning of year | 5,910,770 | 2,425,891
Cash and cash equivalents at end of year | 9,338,269 | 5,910,770
Supplemental cash flow information |  |
Cash paid for income taxes | 1,570,370 | 1,779,879
Cash paid for interest expense | $ 1,255,190 | $ 841,634

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