Condensed Consolidated Balance Sheets (Parentheticals) - $ / shares shares in Thousands	Jun. 30, 2024	Mar. 31, 2024
Statement of Financial Position [Abstract]
Preferred stock, no par value (in dollars per share)	$ 0	$ 0
Preferred stock, shares authorized	5,000	5,000
Preferred stock, shares issued	0	0
Common stock, no par value (in dollars per share)		$ 0
Common stock, par value	$ 0.01
Common stock, shares authorized	50,000	50,000
Common stock, shares issued	12,674	12,657
Common stock, shares outstanding	6,654	7,289
Treasury stock, common shares	5,368	5,368