Nature of business, basis of presentation and summary of significant accounting policies (Details Textual) $ in Thousands		1 Months Ended
	Jan. 22, 2016	Jan. 31, 2016	Jun. 30, 2016 USD ($)	Dec. 31, 2015 USD ($)	Jun. 30, 2015 USD ($)	Dec. 31, 2014 USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Accumulated deficit			$ (129,395)	$ (127,116)
Cash and Cash Equivalents, at Carrying Value			$ 455	$ 846	$ 409	$ 775
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.
Stockholders' Equity Note, Stock Split, Conversion Ratio	1,250	1