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REVENUE - Net sales from customers (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Mar. 31, 2024
REVENUE
Revenue	$ 8,946	$ 7,970	$ 16,932	$ 15,341
Customer A | Customer concentration risk | Sales revenue, net
REVENUE
Revenue	$ 1,531	$ 2,560	$ 3,064	$ 4,845
Concentration risk percentage	17.00%	32.00%	18.00%	32.00%
Customer A | Customer concentration risk | Accounts Receivable
REVENUE
Concentration risk percentage					16.00%
Customer B | Customer concentration risk | Sales revenue, net
REVENUE
Revenue	$ 898		$ 1,890
Concentration risk percentage	10.00%		11.00%
Customer C | Customer concentration risk | Sales revenue, net
REVENUE
Revenue	$ 1,206		$ 2,281
Concentration risk percentage	13.00%		13.00%
Customer D | Customer concentration risk | Sales revenue, net
REVENUE
Revenue	$ 1,041
Concentration risk percentage	12.00%
Customer D | Customer concentration risk | Accounts Receivable
REVENUE
Concentration risk percentage			16.00%
Customer E | Customer concentration risk | Sales revenue, net
REVENUE
Revenue	$ 1,365	$ 1,235	$ 3,238	$ 2,101
Concentration risk percentage	15.00%	16.00%	19.00%	13.00%
Customer E | Customer concentration risk | Accounts Receivable
REVENUE
Concentration risk percentage			43.00%		44.00%
Customer F | Customer concentration risk | Sales revenue, net
REVENUE
Revenue	$ 2,113		$ 2,992
Concentration risk percentage	24.00%		18.00%
Customer G | Customer concentration risk | Accounts Receivable
REVENUE
Concentration risk percentage			16.00%
Customer H | Customer concentration risk | Accounts Receivable
REVENUE
Concentration risk percentage					18.00%

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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