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Consolidated Statements Of Cash Flows (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012
Cash flows from operating activities: |  |
Net income | $ 4,990,298 | $ 5,619,798
Adjustments to reconcile net income to net cash flows from operating activities: |  |
Depreciation and amortization | 2,339,378 | 2,384,411
Loss (gain) on sale of investments, net | (195,500) | (71,286)
Deferred income taxes | (238,804) | (434,896)
Bad Debt expense | 32,604 | 435,344
Loss (Gain) on disposition of equipment | 304,958 | 11,169
(Increase) decrease in operating assets: |  |
Accounts receivable | (1,741,759) | (1,213,253)
Other receivables | (94,447) | 215,379
Inventories | (959,822) | (984,711)
Refundable income taxes | (930,119) | (43,512)
Prepaid expenses and other current assets | (6,185) | (17,508)
Increase (decrease) in operating liabilities: |  |
Accounts payable | 2,466,454 | (129,514)
Accrued expenses | 128,383 | 601,952
Income taxes payable | (254,311) | 254,311
Net cash provided by operating activities | 5,841,128 | 6,627,684
Cash flows from investing activities: |  |
Purchases of investments | (3,518,781) | (1,452,672)
Proceeds from sale of investments | 3,001,016 | 1,475,730
Investments in certificates of deposits | 0 | (150,255)
Redemption of certificates of deposit | 423,997 | 0
Purchases of property and equipment | (8,479,886) | (1,428,717)
Proceeds from sale of equipment | 710,681 | 0
Net cash (used in) provided by investing activities | (7,862,973) | (1,555,914)
Cash flows from financing activities: |  |
Checks written in excess of bank balances | 0 | (592,040)
Purchases of treasury stock | 0 | (580,708)
Dividends Paid | (1,307,861) | (1,146,317)
Net proceeds from debt issuance | 4,975,000 | 250,000
Repayment of notes payable | (624,912) | (1,831,626)
Net cash provided (used in) financing activities | 3,042,227 | (3,900,691)
Net (decrease) increase in cash and cash equivalents | 1,020,382 | 1,171,079
Cash and cash equivalents at the beginning of the period | 2,286,226 | 1,115,150
Cash and cash equivalents at the end of the period | $ 3,306,608 | $ 2,286,226

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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash -URI http://asc.fasb.org/extlink&oid=6506951 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash Equivalents -URI http://asc.fasb.org/extlink&oid=6507016 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 8, 9 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 7 -Footnote 1 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 1 -Article 5 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6361293&loc=d3e6676-107765 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3044-108585 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 7, 26 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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