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Per Share Amounts (Details Textual)
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Weighted Average Number of Shares Outstanding, Basic 4,606,000 4,612,000 4,606,000 4,612,000
Weighted Average Number of Shares Outstanding, Diluted 4,609,000 4,640,000 4,613,000 4,639,000
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 608,000 310,000 608,000 310,000