Note 9 - Stock Option Plan (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Options, Granted, Weighted Average Grant Date Fair Value	$ 0.39	$ 0.13
Options exercisable, weighted average remaining contractual term	3 years 4 months 24 days	3 years 4 months 24 days
Options outstanding, weighted average remaining contractual term	4 years 9 months 18 days	4 years 8 months 12 days
Total unrecognized share-based compensation cost	$ 35	$ 10
Total unrecognized share-based compensation, compensation cost not yet recognized, weighted-average period	1 year 10 months 24 days	1 year 10 months 24 days
Allocated Share-based Compensation Expense	$ 41	$ 16
2004 Stock Incentive Plan Of Evans Sutherland Computer Corporation
Plan Description	In 2014, stockholders approved the adoption of the Evans & Sutherland Computer Corporation 2014 Stock Incentive Plan ('2014 Plan') which replaced the expired 2004 Stock Incentive Plan of Evans & Sutherland Computer Corporation ('2004 Plan'). The 2014 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 essentially the same as the 2004 Plan. Under the 2014 Plan, non-employee directors may continue to receive an annual option grant for no more than 10,000 shares. New non-employee directors may also continue to receive an option grant for no more than 10,000 shares upon their appointment or election. With the adoption of the 2014 Plan, no additional options can be issued under the 2004 Plan. Options granted under the 2004 Plan are still held by recipients and will continue to be subject to the terms and conditions of the 2004 plan which are essentially the same as the 2014 Plan. The 2014 Plan continues a minimum exercise price for options of 110% of fair market value on the date of grant.
Number of Shares Authorized	1,303,713