Stock Option Plans (Details) - $ / shares shares in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Employee Plan 2005 [Member]
Shares under option:
Options outstanding-Shares	1,464	1,690
Granted-Shares	100	250
Exercised - Shares	0	0
Forfeited-Shares	(93)	(476)
Options outstanding-Shares	1,471	1,464
Options Exercisable-Shares	937
Options outstanding-Weighted Average Exercise Price	$ 1.33	$ 1.7
Granted-Weighted Average Exercise Price	0.62	0.4
Exercised-Weighted Average Exercise Price	0	0
Forfeited-Weighted Average Exercise Price	1.73	1.2
Options outstanding-Weighted Average Exercise Price	1.08	1.33
Options exercisable-Weighted Average Exercise Price	1.25
Weighted-average fair value of options granted during:
Weighted-average fair value of options granted	$ 0.01	$ 0.02
Director Plan 2005 [Member]
Shares under option:
Options outstanding-Shares	408	349
Granted-Shares	0	59
Exercised - Shares	0	0
Forfeited-Shares	(20)	0
Options outstanding-Shares	388	408
Options Exercisable-Shares	388
Options outstanding-Weighted Average Exercise Price	$ 1.22	$ 1.27
Granted-Weighted Average Exercise Price	0	0.95
Exercised-Weighted Average Exercise Price	0	0
Forfeited-Weighted Average Exercise Price	1.91	0
Options outstanding-Weighted Average Exercise Price	1.19	1.22
Options exercisable-Weighted Average Exercise Price	1.19
Weighted-average fair value of options granted during:
Weighted-average fair value of options granted	$ 0	$ 0.02