SINTX Technologies, Inc. Annual report pursuant to Section 13 and 15(d)

Equity - Summary of Conversion Ratio of Each Series of Convertible Preferred Stock at Time of Conversion (Details)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Series A
Class Of Stock [Line Items]
Conversion ratio of convertible preferred stock at time of conversion	0.0388	0.0388
Series A-1
Class Of Stock [Line Items]
Conversion ratio of convertible preferred stock at time of conversion	0.0582	0.0582
Series B
Class Of Stock [Line Items]
Conversion ratio of convertible preferred stock at time of conversion	0.0414	0.0414
Series B-1
Class Of Stock [Line Items]
Conversion ratio of convertible preferred stock at time of conversion	0.0591	0.0591
Series C
Class Of Stock [Line Items]
Conversion ratio of convertible preferred stock at time of conversion	0.0435	0.0435
Series C-1
Class Of Stock [Line Items]
Conversion ratio of convertible preferred stock at time of conversion	0.0631	0.0631
Series D
Class Of Stock [Line Items]
Conversion ratio of convertible preferred stock at time of conversion	0.0505	0.0505
Series D-1
Class Of Stock [Line Items]
Conversion ratio of convertible preferred stock at time of conversion	0.0653	0.0653
Series E
Class Of Stock [Line Items]
Conversion ratio of convertible preferred stock at time of conversion	0.0441	0.0441
Series F
Class Of Stock [Line Items]
Conversion ratio of convertible preferred stock at time of conversion	0.2500	0.0388