7. Income per Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Numerator:
Net income (numerator for basis and diluted earnings per share)	$ 538us-gaap_NetIncomeLoss	$ 475us-gaap_NetIncomeLoss
Denominator:
Denominator for basic earnings per share weighted average shares	13,671,436	13,623,220
Effect of dilutive securities:
Options	185,771	88,747
Denominator
Denominator for diluted earnings per share weighted average shares	13,857,207	13,711,967
Basic income per share	$ 0.04us-gaap_EarningsPerShareBasic	$ 0.03us-gaap_EarningsPerShareBasic
Diluted income per share	$ 0.04us-gaap_EarningsPerShareDiluted	$ 0.03us-gaap_EarningsPerShareDiluted

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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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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of call options and warrants using the treasury stock method.

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

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The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

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