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- Definition

The number of shares vested and expected to vest.

+ References

No definition available.

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- Definition

Unrecognized cost of unvested share-based compensation awards.

+ 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

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

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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- Definition

Amount of capitalized and expensed compensation cost from equity-based compensation arrangements.

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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 (h)(1)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

Number of shares of stock issued as of the balance sheet date, including shares that had been issued and were previously outstanding but which are now held in the treasury.

+ 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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- Definition

Per share or per unit amount of equity securities issued.

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No definition available.

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Equity and Incentive Plans (Details Textual) - USD ($)	12 Months Ended
Equity and Incentive Plans (Details Textual) - USD ($)	Dec. 31, 2016	Dec. 31, 2017	Jun. 28, 2017	Jan. 24, 2017	Mar. 11, 2016	Mar. 10, 2016
Equity and Incentive Plans (Textual)
Common stock, par value			$ 1.75
Shares of common stock issued under restricted stock agreement
Shares vested				212,654
Expense related to this award	$ 2,764,502
Unrecognized compensation cost
Common Stock [Member]
Equity and Incentive Plans (Textual)
Issuance of shares of common stock						375,000
Common stock, par value						$ 0.025
Mr. Jeff Cosman, CEO [Member] \| Restricted Stock [Member]
Equity and Incentive Plans (Textual)
Shares of common stock issued under restricted stock agreement					212,654