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Equity Incentive Plans - Summary of non-vested stock options and restricted shares (Table) (Details)	12 Months Ended
	Dec. 31, 2015 $ / shares shares
Shares
Outstanding at January 1, 2015 | shares	0
Granted | shares	521,250
Outstanding as of December 31, 2015 | shares	521,250
Weighted average exercise price
Outstanding at January 1, 2015	$ 0
Granted	5.5
Outstanding as of December 31, 2015	5.5
Weighted Average Grant Date Fair Value
Outstanding at January 1, 2015	0
Granted	1.4121
Outstanding as of December 31, 2015	$ 1.4121

X

- Definition

Gross number of share options (or share units) granted during the period.

+ References

No definition available.

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- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

+ 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 (d)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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X

- Definition

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
-Paragraph 2
-Subparagraph (c)(1)(i)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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- Definition

Number of non-vested options outstanding.

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- Definition

Weighted average grant-date fair value of non-vested options outstanding.

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