Adjusted percentage of stock dividends.

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- Definition

Shares issued under provision of issuance of shares of restricted stock.

+ References

No definition available.

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- Definition

Stock-Based Compensation textual.

+ References

No definition available.

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- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, 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 (i)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

Unrecognized cost of unvested options awarded to employees as compensation.

+ References

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- Definition

The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

+ 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 (a)(3)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

+ References

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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=96867065&loc=d3e5070-113901

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- Definition

Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

+ 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=96867065&loc=d3e5070-113901

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

Other than shares newly issued, the number of additional shares issued (for example, a stock split) or canceled (for example, to correct a share issuance), during the period under the plan.

+ References

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- Definition

Period from grant date that an equity-based award expires, 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 (a)(2)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

+ References

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- Definition

Weighted average grant-date fair value of options vested.

+ References

No definition available.

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- Definition

Total number of shares issued during the period, including shares forfeited, as a result of Restricted Stock Awards.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=84159872&loc=d3e21463-112644

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-Name Accounting Standards Codification
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Stock-Based Compensation (Details Textual) - USD ($)						1 Months Ended	12 Months Ended
Stock-Based Compensation (Details Textual) - USD ($)	May 17, 2016	May 19, 2015	May 20, 2014	May 18, 2010	Mar. 21, 2000	May 31, 2010	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2012
Stock-Based Compensation (Textual)
Unrecognized compensation cost							$ 2,000,000
Recognized weighted average period							2 years 7 months 6 days
Fair value of stock option grants							$ 775,000	$ 593,000	$ 491,000
Stock Option Plan [Member]
Stock-Based Compensation (Textual)
Number of stock option available for grant					436,424
Option expiration period					10 years
Shares outstanding							662,841	642,203
Aggregate intrinsic value outstanding							$ 16,900,000	$ 15,600,000
Shares options exercisable at year-end							419,766	399,256
Aggregate intrinsic value options exercisable at year-end							$ 13,500,000	$ 11,400,000
2010 Incentive Plan [Member]
Stock-Based Compensation (Textual)
Number of stock option available for grant			566,025	366,025			14,375
Option expiration period				10 years
Adjusted percentage of stock dividends				10.00%
Shares issued under provision of issuance of shares of restricted stock						79,860
Additional shares of common stock			200,000
Stock to be issuable as restricted stock		25,000
Restricted Stock Plan [Member]
Stock-Based Compensation (Textual)
Number of stock option available for grant							9,424
Number of shares authorized under the restricted stock plan										13,310
Shares issued under provision of issuance of shares of restricted stock		104,860
Unrecognized compensation cost							$ 502,000
Recognized weighted average period							2 years 7 months 6 days
2016 Equity Incentive Plan [Member]
Stock-Based Compensation (Textual)
Number of stock option available for grant	400,000						345,315
Option expiration period	10 years
Shares issued under provision of issuance of shares of restricted stock	50,000