Stock-Based Compensation (Details) (Stock Options [Member], USD $)	0 Months Ended	6 Months Ended
Mar. 19, 2013	Jun. 30, 2013
Stock Options [Member]
Summary of all stock option plans / warrant activity
Number of Options/Warrants Outstanding, Beginning Balance		1,715,200
Number of Options/Warrants Outstanding, Granted		15,000
Number of Options/Warrants Outstanding, Cancelled or expired		(18,256)
Number of Options/Warrants Outstanding, Exercised	38,456	(38,456)
Number of Options/Warrants Outstanding, Ending Balance		1,673,488
Weighted Average Exercise Price, Outstanding, Beginning Balance		$ 5.04
Weighted Average Exercise Price, Granted		$ 5.97
Weighted Average Exercise Price, Expired		$ 6.04
Weighted Average Exercise Price, Exercised		$ 4.33
Weighted Average Exercise Price, Outstanding, Ending Balance		$ 5.05

Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

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)(4)

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Weighted average price of options that were either forfeited or expired.

+ References

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-Publisher FASB

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

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Number of share options (or share units) exercised during the current period.

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

-Publisher SEC

-Name Regulation S-X (SX)

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