Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents	$ 455	$ 846
Accounts receivable, net of allowance of $30 at June 30, 2016 and $22 at December 31, 2015, respectively	196	94
Prepaid expenses and other current assets	55	372
Total current assets	706	1,312
Property and equipment, net	38	44
Intangible assets, net	430	591
Other assets	29	29
Total assets	1,203	1,976
Current liabilities:
Accounts payable	1,331	787
Short-term notes payable	190	991
Accrued compensation	297	263
Other accrued liabilities	410	615
Deferred revenue	339	384
Short-term capital lease	3
Derivative liability	156	330
Total current liabilities	2,726	3,370
Deferred revenue long-term	385	455
Long-term capital lease	11
Other long-term liabilities	14	21
Total liabilities	3,136	3,846
Commitments and Contingencies
Equity (deficit)
Common stock	55	2
Treasury stock	(325)	(325)
Additional paid in capital	(128,282)	95,312
Accumulated deficit	(129,395)	(127,116)
Accumulated other comprehensive loss	(14)	(14)
Total iSign stockholder's deficit	(1,397)	(1,334)
Non-controlling interest	(536)	(536)
Total deficit	(1,933)	(1,870)
Total liabilities and deficit	$ 1,203	1,976
Series A-1 Preferred Stock [Member]
Equity (deficit)
Preferred stock by class of stock		947
Series B Preferred Stock [Member]
Equity (deficit)
Preferred stock by class of stock		11,653
Series C Preferred Stock [Member]
Equity (deficit)
Preferred stock by class of stock		6,069
Series D-1 Preferred Stock [Member]
Equity (deficit)
Preferred stock by class of stock		6,866
Series D-2 Preferred Stock [Member]
Equity (deficit)
Preferred stock by class of stock		$ 5,272