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Consolidated Statements of Cash Flows (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
CASH FLOWS FROM OPERATING ACTIVITIES: |  |  |
Net Income | $ 16,930,892 | $ 14,352,968 | $ 12,402,441
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation on furniture and equipment | 305,897 | 330,971 | 326,529
Stock-based compensation | 5,750,981 | 4,933,613 | 3,492,045
(Increase) decrease in accounts receivable | (142,875) | (1,600,620) | 1,448,901
Change in deferred income taxes | (368,572) | (1,221,328) | (382,227)
Investment gain/loss, net | (1,135,598) | 111,078 | 167,495
Increase in accrued compensation | 5,469,062 | 8,125,191 | 9,481,957
Excess income tax benefit from stock-based compensation | (34,543) | (7,007) | (84,375)
Income tax benefit from dividends paid on unvested shares | (1,992,298) |  |
Decrease in accrued liabilities | (98,021) | (1,205,575) | (1,032,143)
Other changes in assets and liabilities | (138,232) | (1,110,001) | 148,913
Net cash provided by operating activities | 24,546,693 | 22,709,290 | 25,969,536
CASH FLOWS FROM INVESTING ACTIVITIES: |  |  |
Purchase of furniture and equipment | (221,592) | (253,082) | (62,529)
Cost of investments purchased and other portfolio activity | (7,463,796) | (925,507) | (1,314,588)
Proceeds from sale of investments | 304,152 | 4,133,000 | 6,050,000
Net cash provided by (used in) investing activities | (7,381,236) | 2,954,411 | 4,672,883
CASH FLOWS FROM FINANCING ACTIVITIES: |  |  |
Payment for repurchase of common shares |  | (1,072,908) |
Payment of taxes withheld on employee stock transactions | (1,348,262) | (158,988) | (146,071)
Excess income tax benefit from stock-based compensation | 34,543 | 7,007 | 84,375
Income tax benefit from dividends paid on unvested shares | 1,992,298 |  |
Payment of dividends | (25,215,896) | (14,971,570) | (36,318,391)
Net cash used in financing activities | (24,537,317) | (16,196,459) | (36,380,087)
CASH AND CASH EQUIVALENTS |  |  |
Net change during the year | (7,371,860) | 9,467,242 | (5,737,668)
At beginning of year | 15,242,768 | 5,775,526 | 11,513,194
At end of year | 7,870,908 | 15,242,768 | 5,775,526
Supplemental cash flow information: |  |  |
Interest paid |  |  |
Income taxes paid | 9,636,000 | 10,849,000 | 7,444,300
Supplemental disclosure of non-cash transactions: |  |  |
Common stock issued as incentive compensation | $ 5,540,972 | $ 7,461,984 | $ 5,003,146

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