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Commitments and Contigencies - Preferred Stock Dividends (Details) - Series A Convertible Preferred Stock. - USD ($) $ / shares in Units, $ in Millions	6 Months Ended	12 Months Ended
	Jun. 30, 2016	Dec. 31, 2015	Mar. 31, 2015
Convertible Series A Preferred Stock
Dividend rate	8.00%
Original issue price, per share			$ 6.70585
Cumulative unpaid dividends	$ 0.5	$ 0.3

X

- Definition

Aggregate amount of cumulative preferred dividends in arrears.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 5
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21488-112644

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- Definition

The percentage rate used to calculate dividend payments on preferred stock.

+ References

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- Definition

Per share or per unit amount of equity securities issued.

+ References

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- Definition

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+ References

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