Stock Compensation (Tables)

3 Months Ended

Mar. 31, 2020

Stock Compensation [Abstract]

Schedule of Allocation of Non-Cash Stock-Based Compensation

	Three Months Ended
	March 31,
	2020		2019
Cost of revenues	$	6	$	8
Research and development		17		24
Selling, general and administrative		20		161
Total stock compensation expense	$	43	$	193

Schedule of Key Assumptions of Fair Value of Stock Options Granted

	Three Months Ended
	March 31,
	2020			2019
Dividend yield		0	%	0	%
Risk free interest rates		2.48	%	2.48	%
Expected volatility		41.7 to 49.2	%	41.7 to 49.2	%
Expected term (in years)		3.5 to 4.8		3.5 to 4.8

Schedule of Option Activity

	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		—		—
Options exercised		—		—
Options forfeited		—		—
Options cancelled or expired		(221,625)		3.46
Outstanding at March 31, 2020		5,183,360	$	2.40		3.27	$	—
Vested or expected to vest at March 31, 2020 (1)		5,180,131	$	2.40		3.27	$	—
Exercisable at March 31, 2020		5,021,954	$	2.40		3.27	$	—

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