2. STOCK-BASED COMPENSATION (Detail) (USD $)	3 Months Ended
Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	278,850		305,670
Share Based Compensation Arrangement By Share Based Payment Award Restricted Outstanding Number	26,969
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized	17,329
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number	26,969		26,969
Allocated Share-based Compensation Expense (in Dollars)	$ 33,000	$ 33,000
Employee Service Share-based Compensation, Tax Benefit from Compensation Expense (in Dollars)	11,000	8,000
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Stock Options (in Dollars)	47,000
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition	4 years 3 days
Employee Service Share-based Compensation Unrecognized Compensation Costs On Nonvested Option Awards Weighted Average Period Of Recognition	1 year 7 months 6 days
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized (in Dollars)	183,000
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Share-based Awards Other than Options (in Dollars)	4,250
Employee Service Share-based Compensation Unrecognized Compensation Costs On Nonvested Awards Weighted Average Period Of Recognition2	1 year 2 months 12 days
Share Based Compensation Arrangement By Share Based Payment Award Vesting Period 2	one
ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod3	five
Share Based Payment Arrangement Intrinsic Value Nonvested Awards (in Dollars)	$ 203,000
Common Stock Market Value (in Dollars per share)	$ 7.51
Equity Incentive Plan A[Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number	261,521
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized	1,446,739
Share-based Compensation Arrangement By Share Based Payment Award Award Expiration Period Maximum	10 years
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	5 years

The market price of the Company's common stock.

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- Definition

The weighted average period over which unrecognized equity-based compensation costs are expected to be reported.

+ References

No definition available.

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- Definition

The weighted average period over which unrecognized option compensation costs are expected to be reported.

+ References

No definition available.

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- Definition

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.

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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.

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- Definition

The maximum contractual term over which an employee's right to exercise an award is available under the plan.

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- Definition

The number of restricted 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.

+ References

No definition available.

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- Definition

Aggregate Intrinsic Value of Nonvested Awards as of balance sheet date.

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No definition available.

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- Definition

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

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

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-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

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-Section F

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Publisher FASB

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- Definition

As of the balance sheet date, the aggregate unrecognized cost of equity-based awards made to employees under equity-based compensation awards that have yet to vest.

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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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- Definition

Aggregate unrecognized cost of share-based awards, other than options, made to employees under an equity-based compensation plan, that have yet to vest.

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- Definition

Aggregate unrecognized cost of option awards made to employees under a stock option plan or plans, that have yet to vest.

+ References

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- Definition

The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period.

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- Definition

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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- Definition

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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- Definition

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 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.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph b(1)(b)

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