XML 14 R4.htm IDEA: XBRL DOCUMENT v3.23.1
Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - $ / shares
Mar. 31, 2023
Dec. 31, 2022
Preferred stock, par value (in dollars per share) $ 0.01  
Preferred stock, shares authorized (in shares) 3,000,000  
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized (in shares) 47,000,000 47,000,000
Common stock, shares issued (in shares) 23,473,611 23,059,138
Common stock, shares outstanding (in shares) 23,268,126 22,853,653
Treasury stock, shares (in shares) 205,485 205,485
Series A Preferred Stock [Member]    
Preferred stock, par value (in dollars per share) $ 0.01 $ 0.01
Preferred stock, shares authorized (in shares) 2,445,598 2,445,598
Preferred stock, shares issued (in shares) 0 0
Preferred stock, shares outstanding (in shares) 0 0
Series B Preferred Stock [Member]    
Preferred stock, par value (in dollars per share) $ 0.01 $ 0.01
Preferred stock, shares authorized (in shares) 2,000,000 2,000,000
Preferred stock, shares issued (in shares) 2,000,000 2,000,000
Preferred stock, shares outstanding (in shares) 650,000 854,753