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Consolidated Statements Of Cash Flows (USD $) | 9 Months Ended
--- | ---
Sep. 30, 2013 | Sep. 30, 2012
Cash flows from operating activities: |  |
Net income | $ 5,459,506 | $ 4,546,296
Adjustments to reconcile net income to net cash flows from operating activities: |  |
Depreciation and amortization | 1,760,513 | 1,794,259
Loss (gain) on sale of investments, net | (121,441) | (26,415)
Deferred income taxes | (231,218) | (458,424)
Bad Debt Expense | 26,819 | 332,301
Loss (gain) on sale of equipment | (209,175) |
(Increase) decrease in operating assets: |  |
Accounts receivable | (2,612,905) | (2,106,020)
Other receivables | (80,275) | 220,258
Inventories | (2,443,101) | (615,412)
Refundable income taxes | (338,414) | (43,512)
Prepaid expenses and other current assets | 33,509 | 34,280
Increase (decrease) in operating liabilities: |  |
Accounts payable | 1,173,263 | 732,663
Accrued expenses | 167,536 | 340,367
Income taxes payable | 1,038,451 | 1,341,652
Net cash provided by operating activities | 3,623,068 | 6,092,293
Cash flows from investing activities: |  |
Purchases of investments | (2,877,968) | (1,092,976)
Proceeds from sale of investments | 2,281,792 | 802,026
Redemption of certificates of deposits | 334,627 | (150,000)
Purchases of property and equipment | (8,205,669) | (775,210)
Proceeds from sale of equipment | 537,500 | 0
Net cash used in investing activities | (7,929,718) | (1,216,160)
Cash flows from financing activities: |  |
Checks written in excess of bank balances |  | (592,040)
Purchases of treasury stock |  | (470,265)
Dividends paid | (1,307,861) | (1,146,317)
Net proceeds from debt issuance | 4,975,000 | 0
Repayment of notes payable | (405,985) | (1,403,096)
Net cash used in financing activities | 3,261,154 | (3,611,718)
Net (decrease) increase in cash and cash equivalents | (1,045,496) | 1,264,415
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 | $ 1,240,730 | $ 2,379,565

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