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Note 15 - Subsequent Events	12 Months Ended
	Dec. 31, 2021
Notes to Financial Statements
Subsequent Events [Text Block]	NOTE 15.    SUBSEQUENT EVENTS We have evaluated all events or transactions that occurred after December 31, 2021. During this period, up to the filing date, other than the resumption of the dividend as discussed in Note 10, Stockholders' Equity and Stock Incentive Plans, we did not identify any additional subsequent events, the effects of which would require disclosure or adjustment to our financial position or results of operations.

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- References

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- Definition

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662

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