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Note 10 - 401(k) Retirement Benefit Plan | 12 Months Ended
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Dec. 31, 2019
Notes to Financial Statements |
Pension and Other Postretirement Benefits Disclosure [Text Block] | Note 10 - 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 year ended December 31, 2019, the Company matched 50% on the first 6% contributed by an employee, or a maximum of 3% of the employee’s income. For the year ended December 31, 2018, the Company matched 50% on the first 4% contributed by an employee. For 2019 and 2018, we contributed $319 and $204, 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 + Details
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