Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical)

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Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($)
$ in Thousands
Dec. 31, 2021
Mar. 31, 2021
Statement of Financial Position [Abstract]    
Allowances on trade accounts receivable $ 176 $ 29
Preferred stock, par value $ 1.00 $ 1.00
Preferred stock, shares authorized 500,000 500,000
Common stock, par value $ 0.10 $ 0.10
Common stock, shares authorized 25,500,000 25,500,000
Common stock, shares issued 10,810,000 10,748,000
Common stock, shares outstanding 10,638,000 9,959,000
Treasury stock, shares 172,000 790,000