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Summary of Significant Accounting Policies (Details Textual)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Summary Of Significant Accounting Policies [Line Items]
Number of stock options outstanding having antidilutive effect	45,000	13,000

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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