Shareholders' Equity - Summary of status of options granted under all employee plans (Details 2) - Stock options - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Options Outstanding
Outstanding and exercisable	1,000
Outstanding and exercisable	1,000	1,000
Weighted Average Exercise Price
Outstanding and exercisable	$ 4.70
Outstanding and exercisable	$ 4.70	$ 4.70
Weighted Average Remaining Contractual Life	1 year	2 years
Aggregate Intrinsic Value	$ 1,790	$ 3,400

Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

No definition available.

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- Definition

Number of options outstanding and exercisable including both vested and non-vested options.

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No definition available.

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- Definition

Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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No definition available.

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- Definition

Weighted average remaining contractual term for option awards outstanding and exercisable, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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No definition available.

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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No definition available.

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- References

No definition available.

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- Details

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