Stock Compensation (Tables)

9 Months Ended

Sep. 30, 2020

Stock Compensation [Abstract]

Schedule of Allocation of Non-Cash Stock-Based Compensation

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2020		2019		2020		2019
Cost of revenues	$	2	$	6	$	14	$	20
Research and development		7		21		42		66
Selling, general and administrative		51		137		91		369
Total stock compensation expense	$	60	$	164	$	147	$	455

Schedule of Key Assumptions of Fair Value of Stock Options Granted

	Nine Months Ended
	September 30,
	2020			2019
Dividend yield		0	%	0	%
Risk free interest rates		0.3	%	1.77 - 2.48	%
Expected volatility		46.1	%	41.7 to 49.2	%
Expected term (in years)		5		3.5 to 4.0

Schedule of Option Activity

the following table (unaudited)

	Number of Shares		Weighted Average Exercise Price		Weighted Average Remaining Contractual Life (In Years)		Aggregate Intrinsic Value
Outstanding at December 31, 2019		5,404,985	$	2.40
Options granted		150,000		0.83
Options exercised		—		—
Options forfeited		—		—
Options cancelled or expired		(682,151)		3.39
Outstanding at September 30, 2020		4,872,834	$	2.36		3.00	$	—
Vested or expected to vest at September 30, 2020 (1)		4,872,133	$	2.36		3.00	$	—
Exercisable at September 30, 2020		4,837,833	$	2.22		2.98	$	—

(1) The expected to vest options are the result of applying the pre-vesting forfeiture rate assumptions to total unvested options.