Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets (Parenthetical)

v3.21.1
Condensed Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Condensed Consolidated Balance Sheets [Abstract]    
Trade accounts receivable, allowance for doubtful accounts $ 137 $ 121
Preferred stock, par value $ 1.00 $ 1.00
Preferred stock, shares authorized 3,000,000 3,000,000
Preferred stock, shares issued 0 0
Common stock, par value $ 0.05 $ 0.05
Common stock, shares authorized 30,000,000 30,000,000
Common stock, shares issued 9,448,129 9,321,927
Common stock, shares outstanding 9,448,129 9,321,927