Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2017

Schedule of Stock-Based Compensation Expense Allocation

Total stock-based compensation expense was recorded to cost of revenues and operating expenses based upon the functional responsibilities of the individuals holding the respective awards as follows (in thousands):

	Three Months Ended March 31,
	2017			2016
Cost of revenues	$	28		$	26
Sales and marketing		11			14
Research and development		(43	)		(146	)
General and administrative		345			224
Total	$	341		$	118

Employees [Member]

Assumptions Used to Value Options Granted

The weighted-average grant date fair values of options granted to employees during the three months ended March 31, 2017 and 2016 were $2.44 and $4.81, respectively, using the following assumptions

	Three Months Ended March 31,
	2017		2016
Risk free interest rate	1.45% - 1.48%		1.14%
Expected term	4.5 - 4.75 years		4.75 years
Dividend yield		—		—
Expected volatility	54.6% - 55.2%		79.23% - 79.29%