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SHAREHOLDERS' EQUITY (Stock Options Under the Plans by Exercise Price) (Details) - $ / shares	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Options outstanding at December 31, 2016
Number outstanding	624,437
Options exercisable at December 31, 2016
Number outstanding	330,337
Employee Stock Option [Member] | 2.56 - 4.86 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Minimum exercise price	$ 2.56
Maximum exercise price	4.86
Options outstanding at December 31, 2016
Number outstanding		50,587
Weighted average exercise price	$ 3.28
Weighted average remaining contractual life (in years)	1 year 9 months 4 days
Options exercisable at December 31, 2016
Number outstanding		50,587
Weighted average exercise price	$ 3.28
Weighted average remaining contractual life	1 year 9 months 4 days
Employee Stock Option [Member] | 5.17-8.6 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Minimum exercise price	$ 5.17
Maximum exercise price	8.60
Options outstanding at December 31, 2016
Number outstanding		70,750
Weighted average exercise price	$ 6.49
Weighted average remaining contractual life (in years)	2 years 1 month 28 days
Options exercisable at December 31, 2016
Number outstanding		70,750
Weighted average exercise price	$ 6.49
Weighted average remaining contractual life	2 years 1 month 28 days
Employee Stock Option [Member] | 10.49 - 14.52 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Minimum exercise price	$ 10.49
Maximum exercise price	14.52
Options outstanding at December 31, 2016
Number outstanding		503,100
Weighted average exercise price	$ 11.75
Weighted average remaining contractual life (in years)	3 years 11 months 5 days
Options exercisable at December 31, 2016
Number outstanding		209,000
Weighted average exercise price	$ 11.88
Weighted average remaining contractual life	3 years 2 months 9 days

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Options Outstanding [Abstract]

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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.

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

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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.

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

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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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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

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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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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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-Section 50
-Paragraph 2
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-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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

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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.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
-Paragraph 2
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-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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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.

+ 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

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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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