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Earnings Per Share (Details Textual)	Dec. 31, 2015
2.25% Convertible Notes [Member]
Earnings Per Share (Textual) [Abstract]
Debt interest rate	2.25%
2.25% Warrants [Member]
Earnings Per Share (Textual) [Abstract]
Debt interest rate	2.25%
3.00% Convertible Notes [Member]
Earnings Per Share (Textual) [Abstract]
Debt interest rate	3.00%
3.00% Notes [Member]
Earnings Per Share (Textual) [Abstract]
Debt interest rate	3.00%
2.25 Percent Purchased Options [Member]
Earnings Per Share (Textual) [Abstract]
Debt interest rate	2.25%
3.00% Purchased Options [Member]
Earnings Per Share (Textual) [Abstract]
Debt interest rate	3.00%

X

- Definition

Earnings per share.

+ References

No definition available.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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