COMMON STOCK AND STOCK INCENTIVE PLANS (Summary of Significant Ranges of Outstanding and Exercisable Stock Options) (Details) (USD $)	12 Months Ended
Dec. 31, 2014
Stock Options Outstanding
Number outstanding (in shares)	558,215
Weighted-average remaining contractual life	4 years 6 months 11 days
Weighted-average exercise price per share (in dollars per share)	$ 6.33
Stock Options Exercisable
Number Exercisable (in shares)	327,103
Weighted-average exercise price per share (in dollars per share)	$ 8.68
Options exercisable and expected to vest at the end of the period
Number of options exercisable (in shares)	327,103
Weighted-average exercise price per share of options exercisable (in dollars per share)	$ 8.68
Number of options expected to vest (in shares)	500,275
Weighted-average exercise price per share of options expected to vest (in dollars per share)	$ 6.71
$ 2.70 - $ 2.70 [Member]
COMMON STOCK AND STOCK INCENTIVE PLANS [Line Items]
Exercise price, low end of range (in dollars per share)	$ 2.70
Exercise price, high end of range (in dollars per share)	$ 2.70
Stock Options Outstanding
Number outstanding (in shares)	26,666
Weighted-average remaining contractual life	9 years 10 months 28 days
Weighted-average exercise price per share (in dollars per share)	$ 2.70
Stock Options Exercisable
Number Exercisable (in shares)	0
Weighted-average exercise price per share (in dollars per share)
$ 2.87 - $ 2.87 [Member]
COMMON STOCK AND STOCK INCENTIVE PLANS [Line Items]
Exercise price, low end of range (in dollars per share)	$ 2.87
Exercise price, high end of range (in dollars per share)	$ 2.87
Stock Options Outstanding
Number outstanding (in shares)	100,000
Weighted-average remaining contractual life	9 years 7 months 20 days
Weighted-average exercise price per share (in dollars per share)	$ 2.87
Stock Options Exercisable
Number Exercisable (in shares)	0
Weighted-average exercise price per share (in dollars per share)
$ 2.97 - $ 2.97 [Member]
COMMON STOCK AND STOCK INCENTIVE PLANS [Line Items]
Exercise price, low end of range (in dollars per share)	$ 2.97
Exercise price, high end of range (in dollars per share)	$ 2.97
Stock Options Outstanding
Number outstanding (in shares)	26,666
Weighted-average remaining contractual life	4 years 9 months 29 days
Weighted-average exercise price per share (in dollars per share)	$ 2.97
Stock Options Exercisable
Number Exercisable (in shares)	13,332
Weighted-average exercise price per share (in dollars per share)	$ 2.97
$ 3.21 - $ 3.21 [Member]
COMMON STOCK AND STOCK INCENTIVE PLANS [Line Items]
Exercise price, low end of range (in dollars per share)	$ 3.21
Exercise price, high end of range (in dollars per share)	$ 3.21
Stock Options Outstanding
Number outstanding (in shares)	191,054
Weighted-average remaining contractual life	4 years 5 months 26 days
Weighted-average exercise price per share (in dollars per share)	$ 3.21
Stock Options Exercisable
Number Exercisable (in shares)	104,386
Weighted-average exercise price per share (in dollars per share)	$ 3.21
$ 4.17 - $ 6.51 [Member]
COMMON STOCK AND STOCK INCENTIVE PLANS [Line Items]
Exercise price, low end of range (in dollars per share)	$ 4.17
Exercise price, high end of range (in dollars per share)	$ 6.51
Stock Options Outstanding
Number outstanding (in shares)	88,236
Weighted-average remaining contractual life	2 years 2 months 19 days
Weighted-average exercise price per share (in dollars per share)	$ 5.28
Stock Options Exercisable
Number Exercisable (in shares)	83,792
Weighted-average exercise price per share (in dollars per share)	$ 5.34
$ 8.46 - $ 9.72 [Member]
COMMON STOCK AND STOCK INCENTIVE PLANS [Line Items]
Exercise price, low end of range (in dollars per share)	$ 8.46
Exercise price, high end of range (in dollars per share)	$ 9.72
Stock Options Outstanding
Number outstanding (in shares)	40,325
Weighted-average remaining contractual life	6 months 14 days
Weighted-average exercise price per share (in dollars per share)	$ 9.53
Stock Options Exercisable
Number Exercisable (in shares)	40,325
Weighted-average exercise price per share (in dollars per share)	$ 9.53
$18.75 - $18.75 [Member]
COMMON STOCK AND STOCK INCENTIVE PLANS [Line Items]
Exercise price, low end of range (in dollars per share)	$ 18.75
Exercise price, high end of range (in dollars per share)	$ 18.75
Stock Options Outstanding
Number outstanding (in shares)	78,636
Weighted-average remaining contractual life	1 year 1 month 17 days
Weighted-average exercise price per share (in dollars per share)	$ 18.75
Stock Options Exercisable
Number Exercisable (in shares)	78,636
Weighted-average exercise price per share (in dollars per share)	$ 18.75
$ 19.83 - $ 24.57 [Member]
COMMON STOCK AND STOCK INCENTIVE PLANS [Line Items]
Exercise price, low end of range (in dollars per share)	$ 19.83
Exercise price, high end of range (in dollars per share)	$ 24.57
Stock Options Outstanding
Number outstanding (in shares)	4,786
Weighted-average remaining contractual life	8 months 8 days
Weighted-average exercise price per share (in dollars per share)	$ 20.60
Stock Options Exercisable
Number Exercisable (in shares)	4,786
Weighted-average exercise price per share (in dollars per share)	$ 20.60
$ 26.61 - $ 26.61 [Member]
COMMON STOCK AND STOCK INCENTIVE PLANS [Line Items]
Exercise price, low end of range (in dollars per share)	$ 26.61
Exercise price, high end of range (in dollars per share)	$ 26.61
Stock Options Outstanding
Number outstanding (in shares)	116
Weighted-average remaining contractual life	11 months 1 day
Weighted-average exercise price per share (in dollars per share)	$ 26.61
Stock Options Exercisable
Number Exercisable (in shares)	116
Weighted-average exercise price per share (in dollars per share)	$ 26.61
$ 33.21 - $ 33.21 [Member]
COMMON STOCK AND STOCK INCENTIVE PLANS [Line Items]
Exercise price, low end of range (in dollars per share)	$ 33.21
Exercise price, high end of range (in dollars per share)	$ 33.21
Stock Options Outstanding
Number outstanding (in shares)	1,730
Weighted-average remaining contractual life	3 months
Weighted-average exercise price per share (in dollars per share)	$ 33.21
Stock Options Exercisable
Number Exercisable (in shares)	1,730
Weighted-average exercise price per share (in dollars per share)	$ 33.21

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(iii)

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As of the balance sheet date, the weighted-average exercise price (at which grantees can acquire the shares reserved for issuance) for exercisable stock options that are fully vested or expected to vest.

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As of the balance sheet date, the number of shares into which fully vested and expected to vest stock options outstanding can be converted under the option plan.

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As of the balance sheet date, the weighted-average exercise price for outstanding stock options that are fully vested or expected to vest.

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Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding.

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The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied.

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The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices.

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The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices.

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Weighted average remaining contractual term of outstanding stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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