Stock Plans - Stock Option Activity (Details) (USD$) (USD $)	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Number of shares outstanding - roll forward
Outstanding	100,000	100,000
Granted under 2011 Incentive Stock Plan		8,760	91,240
Forfeited	0	0	0
Exercised under 1999 Obnibus Stock Plan	25,396
Exercisable	27,372
Weighted average exercise price - roll forward
Outstanding	$ 10.99	$ 10.99
Exercisable	$ 10.96
Weighted average remaining contractural terms
Outstanding	7 years 248 days	8 years 263 days
Exercisable	7 years 263 days
Aggregate Intrinsic Value
Outstanding	$ 225,934	$ 165,934
Exercisable	$ 62,682

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Average price of exercisable stock options

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Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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- Definition

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Gross number of share options (or share units) granted during the period.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of options outstanding.

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The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options.

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

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

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Number of share options (or share units) exercised during the current period.

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