STOCK BASED COMPENSATION PLANS (Details 2) (USD $)	0 Months Ended	12 Months Ended
Jan. 31, 2015	Dec. 31, 2014
Options Outstanding and Exercisable
Outstanding options forfeited	17,050
$11.50
Options Outstanding and Exercisable
Exercise price		$ 11.50
Number Outstanding		1,400
Weighted Average Reaming Contract Life (in years)		2 years 5 months 9 days
Weighted Average Exercise Price		$ 11.50
$14.25 to $16.25
Options Outstanding and Exercisable
Exercise price, lower limit		$ 14.25
Exercise price, upper limit		$ 16.25
Number Outstanding		3,800
Weighted Average Reaming Contract Life (in years)		1 year
Weighted Average Exercise Price		$ 15.36
$23.16
Options Outstanding and Exercisable
Exercise price		$ 23.16
Number Outstanding		11,850
Weighted Average Reaming Contract Life (in years)		4 years 5 months 12 days
Weighted Average Exercise Price		$ 23.16
$11.50 to $23.16
Options Outstanding and Exercisable
Exercise price, lower limit		$ 11.50
Exercise price, upper limit		$ 23.16
Number Outstanding		17,050
Weighted Average Reaming Contract Life (in years)		3 years 6 months 4 days
Weighted Average Exercise Price		$ 20.46

The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock 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)(iv)(3)

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

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

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

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

+ 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)(iii)

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

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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

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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

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

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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

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

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-Paragraph 2

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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.

+ References

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

-Publisher FASB

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