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Stockholders' Equity (Details Textual) (USD $)	6 Months Ended	12 Months Ended
	Jun. 30, 2014	Dec. 31, 2007	Dec. 31, 2013	Mar. 27, 2014 Series B Junior Participating Preferred Stock [Member]
Schedule of Equity Method Investments [Line Items]
Treasury shares	40,481		40,481
Treasury Stock Acquired, Average Cost Per Share	$ 106.62
Amount Available Under Stock Repurchase Plan	$ 3,184,000	$ 7,500,000
Share Purchase Price				$ 13.50
Preferred Stock, Par or Stated Value Per Share	$ 0.01		$ 0.01	$ 0.01
Beneficial Ownership Percentage				4.99%

X

- Definition

Amount available under stock repurchase plan.

+ References

No definition available.

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- Definition

Represents percentage of beneficial ownership for preferred share purchase right become exercisable.

+ References

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- Definition

It represent the agreed price for acquisition of shares

+ References

No definition available.

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- Definition

Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.28)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29

-Article 5

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- Definition

Total cost of shares repurchased divided by the total number of shares repurchased.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 30

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655

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- Definition

Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.28,29)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29, 30

-Article 5

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