v3.22.0.1
CONSOLIDATED BALANCE SHEETS (Parentheticals) - $ / shares
Dec. 31, 2021
Dec. 31, 2020
Statement of Financial Position [Abstract]    
Preferred stock, par value (in dollars per share) $ 0 $ 0
Preferred stock, shares authorized (in shares) 1,000,000 1,000,000
Preferred stock, shares issued (in shares) 0 0
Preferred stock, shares outstanding (in shares) 0 0
Common stock, par value (in dollars per share) $ 0 $ 0
Common stock, authorized (in shares) 40,000,000 40,000,000
Common stock, issued (in shares) 23,453,639 23,360,619
Common stock, outstanding (in shares) 23,453,639 23,360,619