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v3.7.0.1

Consolidated Statements of Cash Flows - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015
Operating Activities: |  |
Net income | $ 5,850,998 | $ 4,793,525
Adjustments to reconcile net income to net cash provided by operating activities |  |
Depreciation | 1,490,805 | 1,318,357
Amortization | 930,941 | 734,496
Stock compensation expense | 440,536 | 513,986
Deferred income taxes | 100,529 | (201,553)
Changes in operating assets and liabilities |  |
Accounts receivable | 499,940 | (16,948)
Inventories | (1,483,785) | (2,599,728)
Prepaid expenses and other current assets | 314,824 | (123,267)
Accounts payable | 610,498 | (1,065,428)
Other accrued liabilities | 101,927 | (2,273,701)
Total adjustments | 3,006,214 | (3,713,786)
Net cash provided by operating activities | 8,857,211 | 1,079,738
Investing Activities: |  |
Purchase of plant, property and equipment | (1,809,823) | (1,756,732)
Purchase of patents and trademarks | (29,371) | (161,877)
Proceeds from sales of plant, property and equipment |  | 4,980
Acquisition of DMT | (6,970,910) |
Net cash used by investing activities | (8,810,104) | (1,913,629)
Financing Activities: |  |
Net borrowings of long-term debt | 7,023,205 | 1,765,811
Distributions to shareholders | (1,332,757) | (1,198,848)
Cash settlement of stock options | (2,274,374) |
Excess tax benefit from the exercise of stock options | 567,309 |
Purchase of treasury stock | (907,094) | (679,696)
Issuance of common stock | 394,538 | 1,248,782
Net cash provided by financing activities | 3,470,827 | 1,136,049
Effect of exchange rate changes | (33,056) | (161,929)
Net increase in cash and cash equivalents | 3,484,880 | 140,231
Cash and cash equivalents at beginning of year | 2,425,891 | 2,285,660
Cash and cash equivalents at end of year | 5,910,770 | 2,425,891
Supplemental cash flow information |  |
Cash paid for income taxes | 1,779,879 | 2,412,008
Cash paid for interest expense | $ 841,634 | $ 563,837

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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=66902209&loc=d3e3602-108585 + Details
Name: | us-gaap_ShareBasedCompensation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_SupplementalCashFlowInformationAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration