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Stock-Based Compensation (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
2007 Plan [Member]
Restricted stock activity
Unvested as of January 1, 2012, Shares	148,584	137,000
Granted, shares	80,000	120,250
Vested, Shares	(103,016)	(104,000)
Forfeited, Shares	(1,850)	(4,666)
Unvested as of December 31, 2012, Shares	123,718	148,584
Unvested as of January 1, 2012, Weighted-Average Grant-Date Fair Value	$ 4.26	$ 4.32
Granted, Weighted average grant date fair value	$ 3.63	$ 6.07
Vested, Weighted-Average Grant-Date Fair Value	$ 6.04	$ 4.28
Forfeited, Weighted average grant date fair value	$ 3.15	$ 5.99
Unvested as of December31, 2012, Weighted-Average Grant-Date Fair Value	$ 3.86	$ 4.26
2000 Plan [Member]
Restricted stock activity
Unvested as of January 1, 2012, Shares	2,333	14,367
Vested, Shares	(2,333)	(6,934)
Forfeited, Shares		(5,100)
Unvested as of December 31, 2012, Shares	0	2,333
Unvested as of January 1, 2012, Weighted-Average Grant-Date Fair Value	$ 5.99	$ 3.57
Vested, Weighted-Average Grant-Date Fair Value	$ 5.99	$ 3.57
Forfeited, Weighted average grant date fair value		$ 5.99
Unvested as of December31, 2012, Weighted-Average Grant-Date Fair Value	$ 0.00	$ 5.99

X

- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

+ 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 (c)(1)(iv)(3)

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- Definition

Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

+ References

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

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

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

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

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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ References

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

-Publisher FASB

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- Definition

The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

+ References

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

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-SubTopic 10

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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-Paragraph A240

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

+ 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 (c)(2)(iii)(2)

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



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- Definition

The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

+ References

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

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