Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets (Parenthetical)

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Condensed Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Condensed Consolidated Balance Sheets [Abstract]    
Trade accounts receivable, allowance for doubtful accounts $ 59 $ 0
Preferred stock, par value $ 1.00 $ 1.00
Preferred stock, shares authorized 3,000,000 3,000,000
Preferred stock, shares issued 32,000 0
Preferred stock, shares outstanding 32,000 0
Common stock, par value $ 0.05 $ 0.05
Common stock, shares authorized 37,500,000 37,500,000
Common stock, shares issued 7,435,586 3,074,998
Common stock, shares outstanding 7,435,586 3,074,998