Note 13 - Subsequent Event	9 Months Ended
Sep. 30, 2020
Notes to Financial Statements
Subsequent Events [Text Block]	13 – Subsequent Event On October 12, 2020, the Company distributed one additional share of stock for every two shares of the Company’s Class A common stock, par value $0.01 per share, and Class B common stock, par value $0.01 per share, held by shareholders of record as of September 28, 2020, thus completing a three-for-two stock split of the Company’s Class A common stock and Class B common stock. All share and per share data in this quarterly report on Form 10-Q have been adjusted and restated to reflect the stock split as if it occurred on the first day of the earliest period presented.

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.

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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