SINTX Technologies, Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Tables)

Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2016

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

A summary of the Companys stock option activity for the three months ended March 31, 2016 was as follows:

	Options		Weighted-Average Exercise Price
Outstanding at December 31, 2015		112,373	$	41.53
Granted		23,004	$	1.69
Expired		13,702	$	24.17
Outstanding at March 31, 2016		121,675	$	35.95
Exercisable at March 31, 2016		74,859	$	60.65
Vested and expected to vest at March 31, 2016		119,112	$	36.50

Schedule of Black-Scholes-Merton Option Pricing Model

The following weighted average assumptions were used in the calculation to estimate the fair value of options granted to employees during the three months ended March 31, 2016 and 2015:

	Three Months Ended March 31,
	2016		2015
Weighted-average risk-free interest rate		1.86%		1.62%
Weighted-average expected life (in years)		6.3		6.3
Expected dividend yield		0%		0%
Weighted-average expected volatility		65%		46%

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs

Total stock-based compensation expense included in the condensed consolidated statements of operations and comprehensive loss was allocated as follows (in thousands):

	Three Months Ended March 31,
	2016		2015
Cost of revenue	$	4	$	29
Research and development		29		122
General and administrative		40		328
Selling and marketing		15		142
Capitalized into inventory		2		39
Total stock-based compensation expense	$	90	$	660

Schedule of Unrecognized Compensation Cost, Nonvested Awards

Unrecognized stock-based compensation at March 31, 2016 was as follows (in thousands):

		Unrecognized Stock-Based Compensation				Weighted Average Remaining Period of Recognition (in years)
Stock options		$	435				1.7