Net Income Per Share Computations (Schedule Of Earnings Per Share Reconciliation) (Details) (USD $)	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Net Income Per Share Computations [Abstract]
Net income (numerator) amounts used for basic and diluted per share computations:	$ 388,680us-gaap_NetIncomeLoss	$ 406,007us-gaap_NetIncomeLoss
Weighted average shares (denominator) of common stock outstanding:
Basic	4,209,473	4,180,547
Plus dilutive effect of stock options	6,401	18,331
Diluted	4,215,874	4,198,878
Net income per common share:
Basic	$ 0.09us-gaap_EarningsPerShareBasic	$ 0.10us-gaap_EarningsPerShareBasic
Diluted	$ 0.09us-gaap_EarningsPerShareDiluted	$ 0.10us-gaap_EarningsPerShareDiluted

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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