Aggregate carrying amount of the estimated litigation liability for known or estimated probable loss from litigation, which may include attorneys' fees and other litigation costs.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.25)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Name:	us-gaap_LitigationReserve
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Non-Cash Litigation Settlement Due in Shares of Common Stock (Details) - USD ($)	Dec. 31, 2016	Jul. 20, 2016	May 25, 2016	Dec. 31, 2015
Loss Contingencies [Line Items]
Litigation settlement due in shares	$ 0			$ 4,500,000
Common stock issued for litigation settlement (in shares)		28,571,429	1,561,578
Litigation Settlement due in Shares of Common [Member]
Loss Contingencies [Line Items]
Litigation settlement due in shares				$ 4,500,000