Compensation Plans (Details 3) (Stock Options, USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
Dec. 31, 2014
Compensation Plans
Number of Options Outstanding	369,543
Options Outstanding Weighted Average Remaining Contractual Life	4 years
Options Outstanding Weghted Average Exercise Price per Share	$ 2.36
Number of Options Exercisable	67,126
Options Exercisable, Weighted Average Exercise Price per Share	$ 5.81
Unrecognized stock-based compensation expense
Unrecognized stock-based compensation expense	$ 186
Estimated period of recognition	2 years 6 months
$1.17 - $2.69
Compensation Plans
Range of Exercise Prices Per share, lower limit	$ 1.17
Range of Exercise Prices Per share, upper limit	$ 2.69
Number of Options Outstanding	299,394
Options Outstanding Weighted Average Remaining Contractual Life	4 years 6 months
Options Outstanding Weghted Average Exercise Price per Share	$ 1.56
$4.50 - $5.10
Compensation Plans
Range of Exercise Prices Per share, lower limit	$ 4.50
Range of Exercise Prices Per share, upper limit	$ 5.10
Number of Options Outstanding	46,149
Options Outstanding Weighted Average Remaining Contractual Life	1 year 8 months 12 days
Options Outstanding Weghted Average Exercise Price per Share	$ 4.78
Number of Options Exercisable	43,126
Options Exercisable, Weighted Average Exercise Price per Share	$ 4.77
$7.26 - $7.79
Compensation Plans
Range of Exercise Prices Per share, lower limit	$ 7.26
Range of Exercise Prices Per share, upper limit	$ 7.79
Number of Options Outstanding	24,000
Options Outstanding Weighted Average Remaining Contractual Life	1 year 9 months 18 days
Options Outstanding Weghted Average Exercise Price per Share	$ 7.68
Number of Options Exercisable	24,000
Options Exercisable, Weighted Average Exercise Price per Share	$ 7.68

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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 10

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Unrecognized cost of unvested options awarded to employees as compensation.

+ References

No definition available.

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Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

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The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ References

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-Publisher FASB

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The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied.

+ References

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-Publisher FASB

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The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices.

+ References

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-Publisher FASB

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The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices.

+ References

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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