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CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (USD $) In Thousands, except Share data, unless otherwise specified | Common Shares Class A Non-Voting [Member] | Common Shares Class B Voting [Member] | Additional Paid-in Capital [Member] | Retained Earnings [Member] | Total
--- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2008 |  | $ 6,519 |  | $ 882 |  | $ 66,699 | $ 13,694 | $ 87,794
Balance (in shares) at Dec. 31, 2008 |  | 6,519 | [1],[2],[3] | 882 | [4] |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Net income |  |  |  |  |  |  | 7,262 | 7,262
Cash dividends declared |  |  |  |  |  |  |  |
Common stock |  |  |  |  |  |  | (5,379) | (5,379)
Issuance of common stock |  |  |  |  |  |  |  |
Dividend reinvestment plan |  | 19 |  |  |  | 289 |  | 308
Dividends reinvestment plan (in shares) |  | 19 |  |  |  |  |  |
Employee stock options and awards | [3] | 65 |  |  |  | 772 |  | 837
Employee stock options and awards (in shares) | [3] | 65 |  |  |  |  |  |
Employee Retirement Plan | [2] | 22 |  |  |  | 330 |  | 352
Employee Retirement Plan (in shares) | [2] | 22 |  |  |  |  |  |
Balance at Dec. 31, 2009 |  | 6,625 |  | 882 |  | 68,090 | 15,577 | 91,174
Balance (in shares) at Dec. 31, 2009 |  | 6,625 | [1],[2],[3] | 882 | [4] |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Net income |  |  |  |  |  |  | 7,620 | 7,620
Cash dividends declared |  |  |  |  |  |  |  |
Common stock |  |  |  |  |  |  | (5,677) | (5,677)
Issuance of common stock |  |  |  |  |  |  |  |
Dividend reinvestment plan |  | 18 |  |  |  | 310 |  | 328
Dividends reinvestment plan (in shares) |  | 18 |  |  |  |  |  |
Employee stock options and awards | [3] | 91 |  |  |  | 1,231 |  | 1,322
Employee stock options and awards (in shares) | [3] | 91 |  |  |  |  |  |
Employee Retirement Plan | [2] | 21 |  |  |  | 358 |  | 379
Employee Retirement Plan (in shares) | [2] | 21 |  |  |  |  |  |
Balance at Dec. 31, 2010 |  | 6,755 |  | 882 |  | 69,989 | 17,520 | 95,146
Balance (in shares) at Dec. 31, 2010 |  | 6,755 | [1],[2],[3] | 882 | [4] |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Net income |  |  |  |  |  |  | 6,746 | 6,746
Cash dividends declared |  |  |  |  |  |  |  |
Common stock |  |  |  |  |  |  | (6,191) | (6,191)
Issuance of common stock |  |  |  |  |  |  |  |
Dividend reinvestment plan |  | 21 |  |  |  | 373 |  | 394
Dividends reinvestment plan (in shares) |  | 21 |  |  |  |  |  |
Employee stock options and awards | [3] | 25 |  |  |  | 543 |  | 568
Employee stock options and awards (in shares) | [3] | 25 |  |  |  |  |  |
Employee Retirement Plan | [2] | 40 |  |  |  | 660 |  | 700
Employee Retirement Plan (in shares) | [2] | 40 |  |  |  |  |  |
Stock issuance |  | 888 |  |  |  | 14,746 |  | 15,634
Stock issuance (in shares) |  | 888 |  |  |  |  |  |
Balance at Dec. 31, 2011 |  | $ 7,729 |  | $ 882 |  | $ 86,311 | $ 18,075 | $ 112,997
Balance (in shares) at Dec. 31, 2011 |  | 7,729 | [1],[2],[3] | 882 | [4] |  |  |
[1] | At December 31, 2011, 2010, and 2009, Class A Common Stock had 15,000,000 shares authorized. For the same periods, shares issued were 7,753,730, 6,779,878 and 6,650,002, respectively.
[2] | Artesian Resources Corporation registered 500,000 shares of Class A Common Stock available for purchase through the Artesian Retirement Plan and the Artesian Supplemental Retirement Plan.
[3] | Under the Equity Compensation Plan, effective May 25, 2005 Artesian Resources Corporation authorized up to 500,000 shares of Class A Common Stock for issuance of grants in forms of stock options, stock units, dividend equivalents and other stock-based awards, subject to adjustment in certain circumstances as discussed in the Plan.
[4] | At December 31, 2011, 2010, and 2009, Class B Common Stock had 1,040,000 shares authorized and 882,000 shares issued.

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