STOCK-BASED COMPENSATION (Details) (USD $)	3 Months Ended
Mar. 31, 2014	Mar. 31, 2013
Vesting period of options granted [Line Items]
Noncash compensation expense	$ 103,000	$ 361,000
Weighted-average assumptions used for options granted [Abstract]
Risk-free interest rate (in hundredths)	1.45%	0.72%
Expected volatility (in hundredths)	102.00%	106.00%
Dividend yield (in hundredths)	0.00%	0.00%
Expected option term	5 years	5 years
Options [Abstract]
Outstanding at beginning of period (in shares)	461,919
Granted (in shares)	36,292
Exercised (in shares)	(65,000)
Outstanding and vested at end of period (in shares)	405,994
Weighted average Exercise Price [Abstract]
Outstanding at beginning of period (in dollars per share)	$ 9.80
Granted (in dollars per share)	$ 15.04
Exercised (in dollars per share)	$ 7.32
Outstanding and vested at end of period (in dollars per share)	$ 10.32
Weighted average remaining contractual term [Abstract]
Outstanding and vested at end of period	2 years 8 months 23 days
Aggregate Intrinsic Value [Abstract]
Outstanding and vested at end of period	1,276,112
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Proceeds from exercise of stock options	278,100	0
Intrinsic value of options exercised	413,450	26,300
Issue of Stock for Cash [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock issued upon exercise of options (in shares)	35,000
Proceeds from exercise of stock options	278,100
Issue of Stock for Noncash Consideration [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock issued upon exercise of options (in shares)	30,000
Exchange of common stock upon exercise of stock options (in shares)	14,708
Fair market value of common stock upon exercise of options	$ 197,927
January 1, 2014 [Member]
Options [Abstract]
Vested (in shares)	9,075
April 1, 2014 [Member]
Options [Abstract]
Vested (in shares)	9,073
July 1, 2014 [Member]
Options [Abstract]
Vested (in shares)	9,073
October 1, 2014 [Member]
Options [Abstract]
Vested (in shares)	9,071

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

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