Stock Compensation (Details 2) (USD $)	12 Months Ended
Dec. 31, 2014
Summary of option outstanding and exercisable
Options Granted, Range of Exercise Price	$ 7.00
Options outstanding	339,880
Options Granted, Weighted Average Remaining Contractual Life	7 years 7 months 21 days
Options Exercisable	166,562
$ 7.00 [Member]
Summary of option outstanding and exercisable
Options Granted, Range of Exercise Price	$ 7.00
Options outstanding	5,000
Options Granted, Weighted Average Remaining Contractual Life	7 years 4 months 21 days
Options exercisable, Range of Exercise Price	$ 7.00
Options Exercisable	5,000
Options Exercisable, Weighted Average Remaining Contractual Life	7 years 4 months 21 days
$ 8.60 [Member]
Summary of option outstanding and exercisable
Options Granted, Range of Exercise Price	$ 8.60
Options outstanding	30,500
Options Granted, Weighted Average Remaining Contractual Life	9 years 2 months 12 days
Options exercisable, Range of Exercise Price	$ 8.60
Options Exercisable	7,625
Options Exercisable, Weighted Average Remaining Contractual Life	9 years 2 months 12 days
$ 10.00 [Member]
Summary of option outstanding and exercisable
Options Granted, Range of Exercise Price	$ 10.00
Options outstanding	12,120
Options Granted, Weighted Average Remaining Contractual Life	8 years 22 days
Options exercisable, Range of Exercise Price	$ 10.00
Options Exercisable	7,653
Options Exercisable, Weighted Average Remaining Contractual Life	8 years 22 days
$ 11.00 [Member]
Summary of option outstanding and exercisable
Options Granted, Range of Exercise Price	$ 11.00
Options outstanding	3,000
Options Granted, Weighted Average Remaining Contractual Life	8 years 11 days
Options exercisable, Range of Exercise Price	$ 11.00
Options Exercisable	1,500
Options Exercisable, Weighted Average Remaining Contractual Life	8 years 11 days
$ 12.10 [Member]
Summary of option outstanding and exercisable
Options Granted, Range of Exercise Price	$ 12.10
Options outstanding	30,500
Options Granted, Weighted Average Remaining Contractual Life	9 years 4 months 10 days
Options exercisable, Range of Exercise Price	$ 12.10
Options Exercisable	7,625
Options Exercisable, Weighted Average Remaining Contractual Life	9 years 4 months 10 days
$ 12.50 [Member]
Summary of option outstanding and exercisable
Options Granted, Range of Exercise Price	$ 12.50
Options outstanding	106,200
Options Granted, Weighted Average Remaining Contractual Life	8 years 5 months 16 days
Options exercisable, Range of Exercise Price	$ 12.50
Options Exercisable	58,509
Options Exercisable, Weighted Average Remaining Contractual Life	8 years 5 months 5 days
$ 12.55 [Member]
Summary of option outstanding and exercisable
Options Granted, Range of Exercise Price	$ 12.55
Options outstanding	20,000
Options Granted, Weighted Average Remaining Contractual Life	9 years 4 months 21 days
Options exercisable, Range of Exercise Price	$ 12.55
Options Exercisable
$ 13.00 [Member]
Summary of option outstanding and exercisable
Options Granted, Range of Exercise Price	$ 13.00
Options outstanding	14,600
Options Granted, Weighted Average Remaining Contractual Life	9 years 6 months 11 days
Options exercisable, Range of Exercise Price	$ 13.00
Options Exercisable	3,650
Options Exercisable, Weighted Average Remaining Contractual Life	9 years 6 months 11 days
$ 13.45 [Member]
Summary of option outstanding and exercisable
Options Granted, Range of Exercise Price	$ 13.45
Options outstanding	2,000
Options Granted, Weighted Average Remaining Contractual Life	9 years 5 months 23 days
Options exercisable, Range of Exercise Price	$ 13.45
Options Exercisable
$ 13.50 [Member]
Summary of option outstanding and exercisable
Options Granted, Range of Exercise Price	$ 13.50
Options outstanding	14,960
Options Granted, Weighted Average Remaining Contractual Life	9 years 5 months 27 days
Options exercisable, Range of Exercise Price	$ 13.50
Options Exercisable
$ 13.75 [Member]
Summary of option outstanding and exercisable
Options Granted, Range of Exercise Price	$ 13.75
Options outstanding	6,000
Options Granted, Weighted Average Remaining Contractual Life	9 years 8 months 5 days
Options exercisable, Range of Exercise Price	$ 13.75
Options Exercisable
$ 17.50 [Member]
Summary of option outstanding and exercisable
Options Granted, Range of Exercise Price	$ 17.50
Options outstanding	100,000
Options Granted, Weighted Average Remaining Contractual Life	8 years 1 month 10 days
Options exercisable, Range of Exercise Price	$ 17.50
Options Exercisable	50,000
Options Exercisable, Weighted Average Remaining Contractual Life	8 years 1 month 10 days
$ 22.50 [Member]
Summary of option outstanding and exercisable
Options Granted, Range of Exercise Price	$ 22.50
Options outstanding	5,000
Options Granted, Weighted Average Remaining Contractual Life	6 years 7 months 13 days
Options exercisable, Range of Exercise Price	$ 22.50
Options Exercisable	5,000
Options Exercisable, Weighted Average Remaining Contractual Life	6 years 7 months 13 days
$ 32.00 [Member]
Summary of option outstanding and exercisable
Options Granted, Range of Exercise Price	$ 32.00
Options outstanding	15,000
Options Granted, Weighted Average Remaining Contractual Life	6 years 6 months 11 days
Options exercisable, Range of Exercise Price	$ 32.00
Options Exercisable	15,000
Options Exercisable, Weighted Average Remaining Contractual Life	6 years 6 months 11 days
$ 34.50 [Member]
Summary of option outstanding and exercisable
Options Granted, Range of Exercise Price	$ 34.50
Options outstanding	5,000
Options Granted, Weighted Average Remaining Contractual Life	6 years 6 months 22 days
Options exercisable, Range of Exercise Price	$ 34.50
Options Exercisable	5,000
Options Exercisable, Weighted Average Remaining Contractual Life	6 years 6 months 22 days

Share Based Compensation Shares Authorized Under Stock Options Plan Exercise Price Range Number Of Exercisable Options.

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- Definition

Share Based Compensation Shares Authorized Under Stock Options Plan Exercise Price Range Number Of Outstanding Options.

+ References

No definition available.

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- Definition

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.

+ 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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- Definition

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

+ References

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- Definition

Number of options outstanding, including both vested and non-vested options.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

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

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)(1)(i)-(ii)

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

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- Definition

Weighted average remaining contractual term for option awards outstanding, 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

-Section 50

-Paragraph 2

-Subparagraph (e)(1)

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

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