STOCK-BASED COMPENSATION (Details) (USD $)	3 Months Ended
Mar. 31, 2013	Mar. 31, 2012
STOCK-BASED COMPENSATION [Abstract]
Noncash compensation expense	$ 361,000	$ 383,000
Weighted-average assumptions used for options granted [Abstract]
Risk-free interest rate (in hundredths)	0.72%	0.90%
Expected volatility (in hundredths)	106.00%	102.00%
Dividend yield (in hundredths)	0.00%	0.00%
Expected option term	5 years	5 years
Options [Abstract]
Outstanding at beginning of period (in shares)	495,517
Granted (in shares)	44,217
Exercised (in shares)	(20,000)
Forfeited (in shares)	(35,000)
Outstanding and vested at end of period (in shares)	484,734
Weighted average Exercise Price [Abstract]
Outstanding at beginning of period (in dollars per share)	$ 9.33
Granted (in dollars per share)	$ 10.62
Exercised (in dollars per share)	$ 8.20
Forfeited (in dollars per share)	$ 8.20
Outstanding and vested at end of period (in dollars per share)	$ 9.58
Weighted average remaining contractual term [Abstract]
Outstanding and vested at end of period	2 years 11 months 26 days
Aggregate Intrinsic Value [Abstract]
Outstanding and vested at end of period	406,648
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options issued (in shares)	20,000
Fair market value of common stock upon exercise of options		0
Intrinsic value of options exercised	26,300	451,450
Issue of Stock for Cash [Member]
Options [Abstract]
Exercised (in shares)	0
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options issued (in shares)	0
Issue of Stock for Noncash Consideration [Member]
Options [Abstract]
Exercised (in shares)	(20,000)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options issued (in shares)	20,000
Exchange of common stock upon exercise of stock options (in shares)	17,355
Issue of Stock for Cash and Noncash Consideration [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exchange of common stock upon exercise of stock options (in shares)	17,355
Fair market value of common stock upon exercise of options	$ 164,000

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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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The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

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The risk-free interest rate assumption that is used in valuing an option on its own shares.

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The total accumulated difference between fair values of underlying shares on dates of exercise and exercise price on options which were exercised (or share units converted) into shares during the reporting period under the plan.

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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 for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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