Stock-Based Compensation (Details) (USD $)	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Stock options
Number of shares of common stock authorized for issuance	442,750
Common stock reserved for future grants (in shares)	110,989
Proceeds from the exercise of stock		$ 13,050
Stock Options
Stock options
Compensation cost recognized	4,800	2,600
Unrecognized compensation cost	45,000
Period during which compensation cost is expected to be recognized	3 years
Proceeds from the exercise of stock	$ 13,000
Exercised (in shares)	0
Stock Options \| Minimum
Stock options
Option price range(as a percent)	85.00%
Period over which options become exercisable	1 year
Stock Options \| Maximum
Stock options
Option price range(as a percent)	110.00%
Expiration period of options granted	7 years
Period over which options become exercisable	3 years

The period of time, from the grant date until the time at which the share-based award expires.

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Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

+ References

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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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- Definition

Unrecognized cost of unvested options awarded to employees as compensation.

+ References

No definition available.

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- Definition

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.

+ References

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

-Publisher FASB

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-Glossary Financing Activities

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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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- Definition

Purchase price of common stock expressed as a percentage of its fair value.

+ References

No definition available.

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- Definition

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

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-Number 210

-Section 04

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