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Note 8 - 401(k) Retirement Benefit Plan	12 Months Ended
	Dec. 31, 2018
Notes to Financial Statements
Pension and Other Postretirement Benefits Disclosure [Text Block]	Note 8 - 401 (k) Retirement Benefit Plan We maintain a defined contribution 401 (k) plan covering substantially all employees. Employees can contribute a portion of their salary or wages as prescribed under Section 401 (k) of the Internal Revenue Code and, subject to certain limitations, we may, at the discretion of our Board of Directors, authorize an employer contribution based on a portion of the employees' contributions. For the years ended December 31, 2018 and 2017, the Company matched 50% on the first 4% contributed by an employee, or a maximum of 2% of the employee’s income. For 2018 and 2017, we contributed $204 and $181, respectively, to the 401 (k) plan.

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- Definition

The entire disclosure for pension and other postretirement benefits.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-URI http://asc.fasb.org/topic&trid=2235017

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