Note 10 - Stock Option Plan (Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Options, Granted, Weighted Average Grant Date Fair Value	$ 0.03	$ 0.21
Options exercisable, weighted average remaining contractual term	3 years 6 months	3 years 10 months 24 days
Options outstanding, weighted average remaining contractual term	4 years 7 months 6 days	4 years 7 months 6 days
Total unrecognized share-based compensation cost	$ 6
Unrecognized share-based compensation cost, weighted average period to be recognized	2 years
Allocated Share-based Compensation Expense	$ 18	$ 33
2004 Stock Incentive Plan Of Evans Sutherland Computer Corporation
Plan Description	In 2004, shareholders approved the adoption of the 2004 Stock Incentive Plan of Evans & Sutherland Computer Corporation (“2004 Plan”), which expires in 2014. The 2004 Plan is a stock incentive plan that provides for the grant of options and restricted stock awards to employees and for the grant of options to non-employee directors. Under the 2004 Plan non-employee directors may receive an annual option grant for no more than 10,000 shares. New non-employee directors may receive an option grant for no more than 10,000 shares upon their appointment or election. In addition, with the adoption of this plan no additional options can be issued under any of the prior stock-based plans. The 2004 Plan establishes a minimum exercise price for options of 110% of fair market value on the date of grant.
Shares authorized for future grant	1,539,113