Stockholders' Deficit, Option Plans, and Employee Benefit Plan (Tables)

12 Months Ended

Dec. 31, 2018

Stockholders' Deficit, Option Plans, and Employee Benefit Plan [Abstract]

Restricted Stock Activities

A summary of restricted stock activities for the years ended December 31, 2018 and 2017 is as follows (in thousands):

	December 31,
	2018	2017
	(number of shares)
Outstanding at beginning of year	4,975	--
Granted	--	5,005
Forfeited	(55)	(30)
Outstanding at end of year	4,920	4,975