Stockholders' Equity (Schedule of Options Exercised) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Stockholders' Equity [Abstract]
The intrinsic value of options exercised	$ 209	$ 31	$ 5
Cash received from the exercise of stock options	181	82	4
Tax benefit realized from stock options exercised	76	10	2
The fair value of options exercised	$ 250	$ 124	$ 3

Amount of deferred tax expense from write-off of the deferred tax asset related to deductible stock options at exercise.

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The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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Value of stock issued as a result of the exercise of stock options.

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