Earnings Per Common Share Computations (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
Mar. 31, 2013	Mar. 31, 2012
Earnings Per Share [Abstract]
Earnings from continuing operations	$ 1,059	$ 1,354
Earnings from continuing operations allocated to participating securities	(24)	(24)
Numerator for basic earnings from continuing operations per common share	1,035	1,330
Net earnings	1,058	1,353
Net earnings allocated to participating securities	(24)	(24)
Numuerator for basic net earnings per common share	1,034	1,329
Income Loss From Continuing Operations, Diluted	$ 1,058	$ 1,353
Earnings Per Share, Basic and Diluted [Abstract]
Basic (in shares)	17,209	16,903
Plus dilutive effect of stock options (in shares)	222	222
Plus dilutive effect of participating securities (in shares)	397	308
Diluted (in shares)	17,828	17,433
Net earnings (in dollars per share)	$ 0.06	$ 0.08
Net earnings (in dollars per share)	$ 0.06	$ 0.08

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Participating Securities, Distributed and Undistributed Earnings, Continuing Operations

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The total amount of dividends declared in the period for each class of stock and the contractual amount of dividends (or interest on participating income bonds) that must be paid for the period (for example, unpaid cumulative dividends). Dividends declared in the current period do not include dividends declared in respect of prior-period unpaid cumulative dividends. Preferred dividends that are cumulative only if earned are deducted only to the extent that they are earned.

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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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Amount of income (loss) from continuing operations attributable to the parent. Also defined as revenue less expenses and taxes from ongoing operations before extraordinary items but after deduction of those portions of income or loss from continuing operations that are allocable to noncontrolling interests.

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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements 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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Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period).

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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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