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1. THE COMPANY AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Jun. 06, 2024 | Mar. 31, 2025 USD ($) item customer subsidiary facility | Mar. 31, 2024 USD ($) customer | Mar. 31, 2023 USD ($) customer
Basis of consolidation and risks and uncertainties |  |  |  |
Number of subsidiaries | subsidiary |  | 4 |  |
Number of principal operations near fault lines | facility |  | 2 |  |
Allowance for doubtful accounts receivable write offs | $ |  | $ 0 | $ 0 | $ 0
Number of reporting units | item |  | 1 |  |
Lease term | 10 years |  |  |
Sale and lease back transaction net book value | $ |  |  | $ 5,600 |
Accounts Receivable |  |  |  |
Basis of consolidation and risks and uncertainties |  |  |  |
Number of customers | customer |  | 2 | 3 |
Accounts Receivable | Customer Concentration Risk | Major Customer One |  |  |  |
Basis of consolidation and risks and uncertainties |  |  |  |
Percentage attributable to customers |  | 56.00% | 46.00% |
Accounts Receivable | Customer Concentration Risk | Major Customer Two |  |  |  |
Basis of consolidation and risks and uncertainties |  |  |  |
Percentage attributable to customers |  | 29.00% | 18.00% |
Accounts Receivable | Customer Concentration Risk | Major Customer Three |  |  |  |
Basis of consolidation and risks and uncertainties |  |  |  |
Percentage attributable to customers |  |  | 14.00% |
Sales Revenue, Net |  |  |  |
Basis of consolidation and risks and uncertainties |  |  |  |
Number of customers | customer |  | 2 | 2 | 3
Sales Revenue, Net | Customer Concentration Risk | Major Customer One |  |  |  |
Basis of consolidation and risks and uncertainties |  |  |  |
Percentage attributable to customers |  | 50.00% | 51.00% | 48.00%
Sales Revenue, Net | Customer Concentration Risk | Major Customer Two |  |  |  |
Basis of consolidation and risks and uncertainties |  |  |  |
Percentage attributable to customers |  | 23.00% | 14.00% | 17.00%
Sales Revenue, Net | Customer Concentration Risk | Major Customer Three |  |  |  |
Basis of consolidation and risks and uncertainties |  |  |  |
Percentage attributable to customers |  |  |  | 10.00%

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