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Note 14 - Common Stock
12 Months Ended
Jun. 30, 2019
Notes to Financial Statements  
Stockholders' Equity Note Disclosure [Text Block]
1
4
. COMMON STOCK
 
Class B common stock is identical to Class A except that it has
10
votes per share, is generally nontransferable except to lineal descendants of stockholders, cannot receive more dividends than Class A, and can be converted to Class A at any time. Class A common stock is entitled to elect
25%
of the directors to be elected at each meeting with the remaining
75%
being elected by Class A and Class B voting together.