Nature of business, basis of presentation and summary of significant accounting policies (Details Textual) - Subsequent Event [Member]		1 Months Ended
Jan. 21, 2016	Jan. 31, 2016
Subsequent Event [Line Items]
Reverse stock split, description		On January 21, 2016, iSign Solutions Inc (the Company or iSign) filed a Certificate of Amendment to its Amended and Restated Certificate of Incorporation (the Certificate of Amendment) with the Secretary of State of the State of Delaware to effect a 1-for-1,250 reverse split of the Company outstanding shares of common stock. The reverse split became effective at 9:01 a.m. on January 22, 2016. The information with respect to common stock for the years ended December 31, 2015 and 2014 have been retroactively restated to give effect to the 1-for-1,250 reverse split.
Reverse stock split, conversion ratio	1,250	1

Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 4
-Subparagraph (SAB TOPIC 4.C)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187143-122770

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Stock Split
-URI http://asc.fasb.org/extlink&oid=6525746

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Description of the reverse stock split arrangement. Also provide the retroactive effect given by the reverse split that occurs after the balance sheet date but before the release of financial statements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 4
-Subparagraph (SAB TOPIC 4.C)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187143-122770

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 4
-Section C

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Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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No definition available.

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