Stock Option Plan (Narrative) (Details)	12 Months Ended
Stock Option Plan (Narrative) (Details)	Dec. 31, 2004	Sep. 30, 2012	Dec. 31, 2011
Stock Option Plan Narrative Details
Maximum common stock subject to option	20,000
Option Conversion Terms	In the case of an Incentive Stock Option granted to an Optionee who, at the time the Option is granted, owns stock representing more than ten percent (10%) of the voting power of all classes of stock of the Company or any Parent or Subsidiary, the term of the Option shall not exceed five (5) years from the date of grant The per share exercise price shall be subject to the following: In the case of an Incentive Stock Option (a) granted to an employee who owns more than 10% of the voting power of all classes of stock, the exercise price shall be no less than 110% of the fair market value per share on the date of grant (b) granted to any other employee, the per share exercise price shall be no less than 100% of the fair market value per share on the date of grant. In the case of a Non-statutory Stock Option, the per share exercise price shall be determined by the Plan administrator.
Option Outstanding
Duration of Stock Option Plan	10 years

General descriptive information regarding an arrangement under which employees and directors receive: (a) awards of equity shares, equity share options, or other equity instruments; or (b) the entity incurs liabilities to them: (1) in amounts based, at least in part, on the price of the entity's shares or other equity instruments; or (2) that require or may require settlement by issuance of the entity's shares. Such an arrangement is usually provided to employees and directors to compensate them, provide performance incentives to them, and to attract or retain their services. May also include pertinent information particular to a plan that is not elsewhere specified in the taxonomy.

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- Definition

The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

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- Definition

The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options.

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PanAm Terra, Inc. 10-Q