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Consolidated Condensed Statement of Changes in Stockholders' Equity (USD $) | Total | Preferred | Common Stock | Additional Paid-in Capital | Retained Earnings | Treasury Stock
--- | --- | --- | --- | --- | --- | ---
Balance at Jun. 30, 2013 |  | $ 54,836,161 | $ 317 | $ 29,410 | $ 31,813,239 | $ 24,013,035 | $ (1,019,840)
Balance (in shares) at Jun. 30, 2013 |  |  | 317,319 | 28,608,969 |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |
Stock-based compensation | [1] | 1,066,225 |  |  | 1,066,225 |  |
Exercise of stock options |  | 2,760,107 |  | 2,727 | 2,757,380 |  |
Exercise of stock options (in shares) |  |  |  | 2,726,911 |  |  |
Exercise of stock warrants |  |  |  | 905 | (905) |  |
Exercise of stock warrants (in shares) |  |  |  | 905,391 |  |  |
Issuance of restricted stock |  |  |  | 16 | (16) |  |
Issuance of restricted stock (in shares) |  |  |  | 16,476 |  |  |
Forfeitures of restricted stock |  |  |  | (51) | 51 |  |
Forfeiture of restricted stock (in shares) |  |  |  | (51,099) |  |  |
Purchases of treasury stock |  | (1,746,407) |  |  |  |  | (1,746,407)
Purchases of treasury stock (in shares) |  | (144,462) |  | (144,462) |  |  |
Retirements of treasury stock |  |  |  | (945) | (2,765,302) |  | 2,766,247
Net income |  | 1,063,568 |  |  |  | 1,063,568 |
Common Stock cash dividends |  | (3,205,135) |  |  |  | (3,205,135) |
Preferred Stock cash dividends |  | (337,151) |  |  |  | (337,151) |
Windfall tax benefit |  | 386,975 |  |  | 386,975 |  |
Recovery of short swing profits |  | 6,850 |  |  | 6,850 |  |
Balance at Dec. 31, 2013 |  | $ 54,831,193 | $ 317 | $ 32,062 | $ 33,264,497 | $ 21,534,317 |
Balance (in shares) at Dec. 31, 2013 |  |  | 317,319 | 32,062,186 |  |  |
[1] | Includes $376,365 of stock compensation reflected in restructuring charges.

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