SHAREHOLDERS' EQUITY, Options Outstanding and Exercisable and Weighted Average Fair Value Assumptions Used (Details) (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Fair Value Assumptions [Abstract]
Risk free interest rate (in hundredths)	2.06%	1.66%
Expected lives	6 years	6 years
Expected volatility (in hundredths)	65.45%	62.59%
Expected dividend yield (in hundredths)	0.00%	0.00%	0.00%
Minimum [Member]
Fair Value Assumptions [Abstract]
Risk free interest rate, minimum (in hundredths)			0.82%
Expected lives			5 years
Expected volatility, minimum (in hundredths)			61.87%
Maximum [Member]
Fair Value Assumptions [Abstract]
Risk free interest rate, maximum (in hundredths)			1.41%
Expected lives			6 years
Expected volatility, maximum (in hundredths)			63.59%
Employee Stock Options [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Outstanding at end of period (in shares)	2,097,413
Weighted average remaining contractual life	3 years 7 months 24 days
Weighted average exercise price (in dollars per share)	3.82
Exercisable at end of period (in shares)	1,949,080
Weighted average exercise price (in dollars per share)	3.95
Employee Stock Options [Member] | $2.08 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price range upper range limit (in dollars per share)	2.08
Outstanding at end of period (in shares)	270,000
Weighted average remaining contractual life	8 years 8 months 26 days
Weighted average exercise price (in dollars per share)	2.08
Exercisable at end of period (in shares)	166,668
Weighted average exercise price (in dollars per share)	2.08
Employee Stock Options [Member] | $2.09 - $2.32 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price range lower range limit (in dollars per share)	2.09
Exercise price range upper range limit (in dollars per share)	2.32
Outstanding at end of period (in shares)	123,333
Weighted average remaining contractual life	7 years 6 months 11 days
Weighted average exercise price (in dollars per share)	2.32
Exercisable at end of period (in shares)	78,332
Weighted average exercise price (in dollars per share)	2.32
Employee Stock Options [Member] | $2.33 - $2.52 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price range lower range limit (in dollars per share)	2.33
Exercise price range upper range limit (in dollars per share)	2.52
Outstanding at end of period (in shares)	405,312
Weighted average remaining contractual life	3 years 8 months 23 days
Weighted average exercise price (in dollars per share)	2.52
Exercisable at end of period (in shares)	405,312
Weighted average exercise price (in dollars per share)	2.52
Employee Stock Options [Member] | $2.53 - $3.86 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price range lower range limit (in dollars per share)	2.53
Exercise price range upper range limit (in dollars per share)	3.86
Outstanding at end of period (in shares)	273,768
Weighted average remaining contractual life	0 years 9 months 14 days
Weighted average exercise price (in dollars per share)	3.86
Exercisable at end of period (in shares)	273,768
Weighted average exercise price (in dollars per share)	3.86
Employee Stock Options [Member] | $3.87 - $4.97 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price range lower range limit (in dollars per share)	3.87
Exercise price range upper range limit (in dollars per share)	4.97
Outstanding at end of period (in shares)	1,025,000
Weighted average remaining contractual life	2 years 6 months 25 days
Weighted average exercise price (in dollars per share)	4.97
Exercisable at end of period (in shares)	1,025,000
Weighted average exercise price (in dollars per share)	4.97
Director Stock Options [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Outstanding at end of period (in shares)	178,666
Weighted average remaining contractual life	7 years 10 months 17 days
Weighted average exercise price (in dollars per share)	3.28
Exercisable at end of period (in shares)	82,333
Weighted average exercise price (in dollars per share)	3.30
Director Stock Options [Member] | $2.08 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price range upper range limit (in dollars per share)	2.08
Outstanding at end of period (in shares)	27,000
Weighted average remaining contractual life	8 years 6 months
Weighted average exercise price (in dollars per share)	2.08
Exercisable at end of period (in shares)	9,000
Weighted average exercise price (in dollars per share)	2.08
Director Stock Options [Member] | $2.09 - $2.32 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price range lower range limit (in dollars per share)	2.09
Exercise price range upper range limit (in dollars per share)	2.32
Outstanding at end of period (in shares)	6,666
Weighted average remaining contractual life	7 years 6 months 11 days
Weighted average exercise price (in dollars per share)	2.32
Exercisable at end of period (in shares)	3,333
Weighted average exercise price (in dollars per share)	2.32
Director Stock Options [Member] | $2.33 - $2.52 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price range lower range limit (in dollars per share)	2.33
Exercise price range upper range limit (in dollars per share)	2.52
Outstanding at end of period (in shares)	10,000
Weighted average remaining contractual life	3 years 8 months 23 days
Weighted average exercise price (in dollars per share)	2.52
Exercisable at end of period (in shares)	10,000
Weighted average exercise price (in dollars per share)	2.52
Director Stock Options [Member] | $2.53 - $2.85 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price range lower range limit (in dollars per share)	2.53
Exercise price range upper range limit (in dollars per share)	2.85
Outstanding at end of period (in shares)	45,000
Weighted average remaining contractual life	7 years 2 months 23 days
Weighted average exercise price (in dollars per share)	2.85
Exercisable at end of period (in shares)	30,000
Weighted average exercise price (in dollars per share)	2.85
Director Stock Options [Member] | $2.86 - $4.19 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price range lower range limit (in dollars per share)	2.86
Exercise price range upper range limit (in dollars per share)	4.19
Outstanding at end of period (in shares)	80,000
Weighted average remaining contractual life	8 years 10 months 24 days
Weighted average exercise price (in dollars per share)	3.88
Exercisable at end of period (in shares)	20,000
Weighted average exercise price (in dollars per share)	4.19
Director Stock Options [Member] | $4.20 - $5.04 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price range lower range limit (in dollars per share)	4.20
Exercise price range upper range limit (in dollars per share)	5.04
Outstanding at end of period (in shares)	10,000
Weighted average remaining contractual life	5 years 5 months 23 days
Weighted average exercise price (in dollars per share)	5.04
Exercisable at end of period (in shares)	10,000
Weighted average exercise price (in dollars per share)	5.04