Legal and Regulatory Matters (Details) - Breach of agreements $ in Thousands	Apr. 16, 2013 USD ($) a
Contingencies
Severance compensation, period	18 months
Estimated aggregate value of claimed severance benefits, minimum	$ 350
Estimated aggregate value of claimed severance benefits, maximum	$ 400
Amount as a percentage of value of land that Mr. Asherman seeks to have in the matter	50.00%
Area of land \| a	1.66
Stock options exercise period after termination	3 months

No definition available.

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- Definition

Represents the percentage of the value of land that the plaintiff seeks in the legal matter.

+ References

No definition available.

+ Details

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- Definition

Represents the period for exercise of stock options after termination of employment as per agreement.

+ References

No definition available.

+ Details

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- Definition

Represents the period for the payment of severance compensation that plaintiff seeks in the legal matter.

+ References

No definition available.

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- Definition

Area of land held.

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No definition available.

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- Definition

The estimated maximum amount of possible loss from the contingency.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 9
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14557-108349

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- Definition

The estimated minimum amount of possible loss from the contingency.

+ References

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