Condensed Consolidated Balance Sheets (Unaudited) (Parentheticals) - USD ($) $ in Thousands	Jun. 30, 2022	Mar. 31, 2022
Statement of Financial Position [Abstract]
Allowance for doubtful trade receivables	$ 912	$ 598
Debt Issuance Costs, Current, Net	57	57
Debt Issuance Costs, Noncurrent, Net	$ 190	$ 204
Common stock, par value (in dollars per share)	$ 0	$ 0
Common stock, shares authorized	75,000,000	75,000,000
Common stock, shares issued	31,473,000	31,268,000
Common stock, shares outstanding	31,473,000	31,268,000