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Consolidated Statements Of Cash Flows (USD $) | 6 Months Ended
--- | ---
Jun. 30, 2013 | Jun. 30, 2012
Cash flows from operating activities: |  |
Net income | $ 3,769,579 | $ 3,144,116
Adjustments to reconcile net income to net cash flows from operating activities: |  |
Depreciation and amortization | 1,171,515 | 1,189,563
Loss (gain) on sale of investments, net | (121,280) | (22,390)
Deferred income taxes | (104,133) | (480,311)
Bad Debt Expense | 26,819 | 172,303
(Increase) decrease in operating assets: |  |
Accounts receivable | (1,211,015) | (1,610,208)
Other receivables | 3,425 | 120,195
Inventories | (1,867,964) | (472,240)
Refundable income taxes | 56,705 | 41,316
Prepaid expenses and other current assets | (515,633) | (17,230)
Increase (decrease) in operating liabilities: |  |
Accounts payable | 2,909,652 | 383,612
Accrued expenses | (60,857) | 39,687
Income taxes payable | 969,804 | 1,639,515
Net cash provided by operating activities | 5,026,617 | 4,127,928
Cash flows from investing activities: |  |
Purchases of investments | (2,573,721) | (743,675)
Proceeds from sale of investments | 1,948,839 | 658,233
Redemption of certificates of deposits | 334,627 | 0
Purchases of property and equipment | (547,819) | (478,428)
Net cash used in investing activities | (838,074) | (563,870)
Cash flows from financing activities: |  |
Checks written in excess of bank balances |  | 119,557
Purchases of treasury stock |  | (340,444)
Dividends paid | (1,307,861) | (1,146,317)
Repayment of notes payable | (226,960) | (1,311,679)
Net cash used in financing activities | (1,534,821) | (2,678,883)
Net (decrease) increase in cash and cash equivalents | 2,653,722 | 885,175
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 | $ 4,939,948 | $ 2,000,325

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