SHAREHOLDERS' EQUITY (Schedule of Shares Authorized Under Stock Option Plans by Exercise Price Range) (Details) (USD $)	12 Months Ended
Dec. 31, 2012
Outstanding
Number outstanding	1,670,000
Weighted average remaining contractual life (years)	3 years 2 months 9 days
Weighted average exercise price	$ 2.44
Exercisable
Number exercisable	1,143,000
Weighted average remaining contractual life (years)	2 years 5 months 19 days
Weighted average exercise price	$ 2.24
0.32-0.56 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price, minimum	$ 0.32
Exercise price, maximum	$ 0.56
Outstanding
Number outstanding	205,000
Weighted average remaining contractual life (years)	2 years 1 month 2 days
Weighted average exercise price	$ 0.51
Exercisable
Number exercisable	204,000
Weighted average remaining contractual life (years)	2 years 1 month 2 days
Weighted average exercise price	$ 0.51
1.00-1.20 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price, minimum	$ 1.0
Exercise price, maximum	$ 1.2
Outstanding
Number outstanding	303,000
Weighted average remaining contractual life (years)	1 year 5 months 5 days
Weighted average exercise price	$ 1.16
Exercisable
Number exercisable	303,000
Weighted average remaining contractual life (years)	1 year 5 months 5 days
Weighted average exercise price	$ 1.16
1.48-1.52 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price, minimum	$ 1.48
Exercise price, maximum	$ 1.52
Outstanding
Number outstanding	169,000
Weighted average remaining contractual life (years)	3 years 29 days
Weighted average exercise price	$ 1.48
Exercisable
Number exercisable	152,000
Weighted average remaining contractual life (years)	3 years 26 days
Weighted average exercise price	$ 1.48
1.96-2.32 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price, minimum	$ 1.96
Exercise price, maximum	$ 2.32
Outstanding
Number outstanding	114,000
Weighted average remaining contractual life (years)	1 year 2 months 19 days
Weighted average exercise price	$ 2.15
Exercisable
Number exercisable	112,000
Weighted average remaining contractual life (years)	1 year 2 months 9 days
Weighted average exercise price	$ 2.15
2.6-2.76 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price, minimum	$ 2.6
Exercise price, maximum	$ 2.76
Outstanding
Number outstanding	201,000
Weighted average remaining contractual life (years)	4 years 8 months 16 days
Weighted average exercise price	$ 2.61
Exercisable
Number exercisable	84,000
Weighted average remaining contractual life (years)	4 years 8 months 16 days
Weighted average exercise price	$ 2.61
2.8-3.44 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price, minimum	$ 2.8
Exercise price, maximum	$ 3.44
Outstanding
Number outstanding	567,000
Weighted average remaining contractual life (years)	4 years 8 months 20 days
Weighted average exercise price	$ 2.94
Exercisable
Number exercisable	182,000
Weighted average remaining contractual life (years)	4 years 5 months 16 days
Weighted average exercise price	$ 2.92
7.68-8.76 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price, minimum	$ 7.68
Exercise price, maximum	$ 8.76
Outstanding
Number outstanding	76,000
Weighted average remaining contractual life (years)	1 year 7 months 13 days
Weighted average exercise price	$ 7.83
Exercisable
Number exercisable	70,000
Weighted average remaining contractual life (years)	1 year 3 months
Weighted average exercise price	$ 7.83
9.68-9.84 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price, minimum	$ 9.68
Exercise price, maximum	$ 9.84
Outstanding
Number outstanding	35,000
Weighted average remaining contractual life (years)	1 year 8 months 12 days
Weighted average exercise price	$ 9.79
Exercisable
Number exercisable	35,000
Weighted average remaining contractual life (years)	1 year 8 months 12 days
Weighted average exercise price	$ 9.79

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- Definition

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

+ References

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- Definition

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

+ References

+ Details

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- Definition

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.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph 64

-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.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (g)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

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.

+ 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)(c)

-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.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(iii)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

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.

+ References

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)(i)-(ii)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph b(1)(a, b)

-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.

+ Details

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- Definition

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.

+ References

+ Details

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- Definition

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.

+ References

+ Details

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- Definition

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.

+ References

+ Details

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