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Defined benefit plan contributions by employer for foreign employees.

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- Definition

Maximum percentage of cash bonuses for contribution in compensation plan.

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No definition available.

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- Definition

Maximum percentage of current compensation of employee to contribute in plan.

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- Definition

Maximum percentage of salary for contribution in compensation plan.

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Number of guaranteed annual payments.

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Period for receiving payments in annual Installments.

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- Definition

Carrying amount as of the balance sheet date of amounts which could be received based on the terms of the insurance contract upon surrendering life policies owned by the entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name FASB Technical Bulletin (FTB)

-Number 85-4

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-Publisher SEC

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-Number 210

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-SubTopic 10

-Section 45

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- Definition

The minimum period that the individual is required to perform services in order to be fully vested under the deferred compensation arrangement.

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-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 10

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

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1) For defined benefit pension plans, the benefit obligation is the projected benefit obligation, which is the actuarial present value as of a date of all benefits attributed by the pension benefit formula to employee service rendered prior to that date. 2) For other postretirement defined benefit plans, the benefit obligation is the accumulated postretirement benefit obligation, which is the actuarial present value of benefits attributed to employee service rendered to a particular date.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Accumulated Postretirement Benefit Obligation

-URI http://asc.fasb.org/extlink&oid=6503904

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-Name Statement of Financial Accounting Standard (FAS)

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The increase in the fair value of plan assets from contributions made by the employer.

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-Name Statement of Financial Accounting Standard (FAS)

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Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

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Benefit Plans (Details) (USD $)	3 Months Ended
Benefit Plans (Details) (USD $)	Mar. 31, 2013 Employee Benefit Plans [Member]	Mar. 31, 2012 Employee Benefit Plans [Member]	Mar. 31, 2013 Executive Deferred Compensation Plan [Member] Installment	Dec. 31, 2012 Executive Deferred Compensation Plan [Member]
Benefit Plans (Textual) [Abstract]
Maximum percentage of current compensation of employee to contribute in plan	15.00%
Amount of company contribution in compensation	$ 132,000	$ 168,000
Company contributes to various retirement plans for foreign employees	61,000	51,000
Maximum percentage of salary for contribution in compensation plan			50.00%
Maximum percentage of cash bonuses for contribution in compensation plan			100.00%
Percent of matching cash			4.00%
Executive's continued service period			over three years
Period for receiving payments in annual Installments			15 years
Number of guaranteed annual payments			20
Deferred compensation obligation			1,700,000	1,700,000
Cash surrender value of policies			$ 1,700,000	$ 1,600,000