STOCK PLANS AND STOCK-BASED COMPENSATION - Stock option activity (Details) - $ / shares	9 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Number of Shares
Balance, beginning of year	17,332	23,332
Options exercised	(1,511)	(6,000)
Options forfeited	(1,511)
Balance, end of year	14,310	17,332
Weighted Average Exercise Price
Balance, beginning of year	$ 2.78	$ 2.78
Options exercised	2.78	2.78
Options forfeited	2.78
Balance, end of year	$ 2.78	$ 2.78