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Note 5 - Employee Benefit Plan | 12 Months Ended
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Dec. 31, 2016
Notes to Financial Statements |
Pension and Other Postretirement Benefits Disclosure [Text Block] | 5. Employee Benefit Plan Employee 401(k) Plan We have a plan known as the Intrusion Inc. 401(k) Savings Plan (the “Plan”) to provide retirement and incidental benefits for our employees. The Plan covers substantially all employees who meet minimum age and service requirements. As allowed under Section 401(k) of the Internal Revenue Code, the Plan provides tax deferred salary deductions for eligible employees. Employees may contribute from 1% to 25% of their annual compensation to the Plan, limited to a maximum amount as set by the Internal Revenue Service. Participants who are over the age of 50 may contribute an additional amount of their salary per year, as defined annually by the Internal Revenue Service. We match employee contributions at the rate of $0.25 per each $1.00 of contribution on the first 4% of compensation. Matching contributions to the Plan were approximately $32,000 and $31,000, respectively, for the years ended December 31, 2016 and 2015 .

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