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(7) Stockholders' Equity (Details Narrative) (USD $)	9 Months Ended
(7) Stockholders' Equity (Details Narrative) (USD $)	Sep. 30, 2012	Dec. 31, 2011
Stockholders Equity Details Narrative
Authorization for the repurchase of common stock	14,000,000
Authorization to repurchase additional shares	5,994,765
Total shares repurchased since October 2001	8,005,235
Payment for shares repurchased since October 2001	$ 46,916,339
Preferred stock, par value	$ 0.001	$ 0.001
Preferred stock, shares authorized	2,000,000	2,000,000

Face amount or stated value per share of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer); generally not indicative of the fair market value per share.

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- Definition

Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital).

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