Note 12 - Earnings Per Share - Summary of Reconciliations Between the Numerator and the Denominator of the Basic and Diluted Earnings Per Share Computations (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2024	Dec. 31, 2023
Net loss	$ (224)	$ (1,020)	$ (2,576)	$ (3,186)
Basic and diluted (in shares)	7,156	6,554	7,036	6,404
Basic and diluted (in dollars per share)	$ (0.03)	$ (0.16)	$ (0.37)	$ (0.5)