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Stockholder's Equity (Tables) | 6 Months Ended
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Jun. 30, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block] |
Balance, December 31, 2011 | 63,777
Granted | 57,016
Vested | (57,577)
Cancelled | (411)
Balance, December 31, 2012 | 62,805
Granted | 76,283
Vested | (715)
Cancelled | (784)
Balance, June 30, 2013 | 137,589

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- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year. + 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) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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