Note 6 - Stock-based Compensation	3 Months Ended
Mar. 31, 2021
Notes to Financial Statements
Share-based Payment Arrangement [Text Block]	NOTE 6 — STOCK-BASED COMPENSATION There were no material grants during the first quarter of 2021.

The entire disclosure for share-based payment arrangement.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-URI http://asc.fasb.org/topic&trid=2228938

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