CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (Parentheticals) - USD ($) $ in Thousands	Jun. 30, 2024	Mar. 31, 2024
Statement of Financial Position [Abstract]
Accounts receivable, allowance for doubtful accounts	$ 1,447	$ 1,420
Other current assets measured at fair value	341	531
Assets on lease, accumulated depreciation	70	8
Property and equipment, accumulated depreciation	8,071	7,705
Intangible assets, accumulated amortization	5,409	5,119
Other assets measured at fair value	$ 1,670	$ 1,909
Preferred stock, par value (in dollars per share)	$ 1.00	$ 1.00
Preferred stock, shares authorized (in shares)	2,000,000	2,000,000
Common stock par value (in dollars per share)	$ 0.25	$ 0.25
Common stock, shares authorized (in shares)	4,000,000	4,000,000
Common stock, shares issued (in shares)	3,030,245	3,030,245
Common stock, shares outstanding (in shares)	2,760,047	2,775,163
Treasury stock (in shares)	270,198	256,850
Treasury stock average price (in dollars per share)	$ 19.47	$ 19.31