The maximum amount of compensation expense incurred on the reporting period.

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- Definition

Estimated amount of compensation expense excepted to be recorded.

+ References

No definition available.

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- Definition

Description about Option subscription percentage during period.

+ References

No definition available.

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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, granted.

+ References

No definition available.

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- Definition

Maximum employee subscription rate range under share based compensation arrangement.

+ References

No definition available.

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- Definition

Minimum employee subscription rate range under stock based compensation.

+ References

No definition available.

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- Definition

The Maximum Option vested as percentage of total option grant during the year.

+ References

No definition available.

+ Details

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- Definition

The Maximum Option vested as percentage of total option grant during the year.

+ References

No definition available.

+ Details

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- Definition

The Maximum Option vested as percentage of total option grant in each year.

+ References

No definition available.

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- Definition

Description about the Period in which option vested or expired.

+ References

No definition available.

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- Definition

Unrecognized compensation expense of reporting period.

+ References

No definition available.

+ Details

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- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (h)(1)(i)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph g(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Publisher FASB

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-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 14

-Section F

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-Paragraph 64

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SAB TOPIC 14.F)

-URI http://asc.fasb.org/extlink&oid=6793087&loc=d3e301413-122809

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- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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- Definition

Aggregate unrecognized cost of option awards made to employees under a stock option plan or plans, that have yet to vest.

+ References

No definition available.

+ Details

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- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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- Definition

The highest percentage of annual salary that an employee is permitted to utilize with respect to the plan.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph 65

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

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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

Net number of share options (or share units) granted during the period.

+ References

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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.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph b(1)(b)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(i)-(ii)

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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-Subparagraph b(1)(a)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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Stock Compensation Plans (Details Textual) (USD $)	3 Months Ended	9 Months Ended	12 Months Ended
Stock Compensation Plans (Details Textual) (USD $)	Sep. 30, 2012	Sep. 30, 2012	Dec. 31, 2011	Dec. 31, 2009	Mar. 15, 2010
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	317,300	317,300	317,800
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized					350,000
Options, Granted (in shares)		0
Share Based Compensation Arrangement By Share Based Payment Award, Maximum Vested Percentage, Year				20.00%
Share Based Compensation Arrangement By Share Based Payment Award, Maximum Vested Percentage, Year One			40.00%
Share Based Compensation Arrangement By Share Based Payment Award, Maximum Vested Percentage, Year Two			20.00%
Options outstanding, Weighted Average Remaining Contractual Term (in years)		4 years 1 month 24 days
Option Subscription Description		The final value of the awards to be made under the 2012 STIP will be determined at December 31 of each year and will be paid out in cash and/or equity, as elected by the participant, in accordance with the following vesting schedule: 50% in the first quarter after the calendar year, 25% on the one-year anniversary, and 25% on the second-year anniversary. The participants are required to be employed on the day of payout in order to receive an award.
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Stock Options	$ 62,000	$ 62,000
Employee Service Share Based Compensation Nonvested Awards, Total Compensation Cost Not Yet Recognized, Period For Recognition (in years)		1 year 6 months
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number	5,681	5,681
Compensation Expense, Maximum	1,300,000	1,300,000
Estimated Compensation Expense Excepted	1,000,000	1,000,000
Unrecognized Compensation Expense	479,000	479,000
Stock Option Period Description	All options expire ten years from the date of grant. Vested options of retirees expire on the earlier of the scheduled expiration date or three months after the retirement date.
Short Term Equity Incentive Plan 2011 [Member]
Share Based Compensation Arrangement By Share Based Payment Award, Maximum Employee Subscription Rate, Range Minimum		25.00%
Share Based Compensation Arrangement By Share Based Payment Award, Maximum Employee Subscription Rate, Range Maximum		45.00%
Share-based Compensation Arrangement by Share-based Payment Award, Maximum Employee Subscription Rate	50.00%	50.00%
Allocated Share-based Compensation Expense		554,000
Long Term Equity Incentive Plan 2011 [Member]
Share Based Compensation Arrangement By Share Based Payment Award, Maximum Employee Subscription Rate, Range Minimum		25.00%
Share Based Compensation Arrangement By Share Based Payment Award, Maximum Employee Subscription Rate, Range Maximum		45.00%
Allocated Share-based Compensation Expense		$ 394,000