Including the current and noncurrent portions, carrying amount of debt identified as being convertible into another form of financial instrument (typically the entity's common stock) as of the balance sheet date, which originally required full repayment more than twelve months after issuance or greater than the normal operating cycle of the company.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.16(a)(2))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.16)
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 19, 20, 22
-Article 5

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

Significant Events Additional Information (Details) - USD ($) $ / shares in Units, $ in Millions		6 Months Ended
	Aug. 05, 2016	Aug. 31, 2016	Jun. 07, 2016	Apr. 04, 2016	Mar. 01, 2016
Business Acquisition [Line Items]
Number Of Preferred Stock Converted Into Common Stock				2.80
Proposed Merger Per Share Amount	$ 4.10
Potential Going Private Transaction Costs		$ 0.3
Digonex [Member]
Business Acquisition [Line Items]
Business Combination, Additional Convertible Rights Acquired, Total Equity Interest in Acquiree, Percentage		78.00%
Convertible Debt			$ 0.5		$ 0.5
Maximum
Business Acquisition [Line Items]
Potential Going Private Transaction Costs		$ 0.5