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Note 10 - Defined Contribution Plans	12 Months Ended
	Dec. 31, 2015
Notes to Financial Statements
Compensation and Employee Benefit Plans [Text Block]	10. DEFINED CONTRIBUTION PLANS We maintain a 401(k) defined contribution plan covering all U.S. employees. Our matching contributions, net of forfeitures, under the plan, which are optional and based on the level of individual participant’s contributions, amounted to $36,000 and $40,000 in 2015 and 2014, respectively.

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- Definition

The entire disclosure for an entity's employee compensation and benefit plans, including, but not limited to, postemployment and postretirement benefit plans, defined benefit pension plans, defined contribution plans, non-qualified and supplemental benefit plans, deferred compensation, share-based compensation, life insurance, severance, health care, unemployment and other benefit plans.

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