v2.4.0.8

Stock Based Compensation - Additional Information (Detail) (USD $)	3 Months Ended		9 Months Ended			9 Months Ended				9 Months Ended		1 Months Ended		1 Months Ended			9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013	Sep. 30, 2014 Restricted Stock	Dec. 31, 2013 Restricted Stock	Sep. 30, 2014 Restricted Stock Service Based Options	Sep. 30, 2014 Restricted Stock Performance Contingent Restricted Shares	Sep. 30, 2014 Restricted Stock Minimum Service Based Options	Sep. 30, 2014 Restricted Stock Maximum Service Based Options	Aug. 31, 2012 2012 Equity Incentive Plan	Sep. 30, 2014 2012 Equity Incentive Plan	Aug. 31, 2012 Previously Approved Plans	Sep. 30, 2014 2012 Plan and Previously Approved Plans	Sep. 30, 2014 2012 Plan and Previously Approved Plans Restricted Stock	Sep. 30, 2014 2012 Plan and Previously Approved Plans Non Vested Stock Options	Sep. 30, 2013 2012 Plan and Previously Approved Plans Non Vested Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares initially authorized for issuance under equity incentive plan												300,000
Additional shares authorized for issuance under equity incentive plan												17,666
Shares ceased to be issuable														17,666
Outstanding options to purchase shares of common stock	119,000		119,000		279,000										119,000
Unvested restricted shares outstanding						379,657	318,600	103,494	276,163							379,657
Outstanding shares remained available for future grants													245,660
Stock-based compensation expense	$ 71,000	$ 63,000	$ 195,000	$ 228,000
Weighted average fair value of options granted			$ 3.23	$ 2.82
Aggregate pre-tax intrinsic value			347,000
Unrecognized stock-based compensation expense related to the nonvested shares						679,000											13,000	18,000
Unrecognized stock-based compensation expense are expected to be recognized over a weighted average periods (years)						2 years 2 months 12 days											6 months	6 months
Vesting period										3 years	4 years
Vested						103,503
Intrinsic value of shares vested						384,500
Cancelled						34,793
Payment for withholding tax for cancellation of restricted shares			129,000	49,000		129,000
Restricted shares outstanding expected to vest						268,985
Aggregate intrinsic value						$ 887,650

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- Definition

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Unrecognized cost of unvested share-based compensation awards.

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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.

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Amount of cash outflow to satisfy an employee's income tax withholding obligation as part of a net-share settlement of a share-based award.

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The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

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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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Intrinsic value of equity-based compensation awards not vested. Excludes stock and unit options.

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Intrinsic value of equity-based compensation awards vested. Excludes stock and unit options.

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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Number of additional shares authorized for issuance under an established share-based compensation plan.

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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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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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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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

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