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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 9 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Cash flows from operating activities:    
Net loss $ (5,924) $ (10,115)
Adjustment to reconcile net loss to net cash:    
Depreciation and amortization 464 473
Common stock-based compensation and expenses, net 1,185 1,433
Impairment of assets 0 3,358
Profit on sale of assets, net (14) (42)
Changes in:    
Accounts receivables, net (10) 14
Inventory 107 (8)
Deposits and advances (190) 169
Claims and advances 7 4
Accounts payable 62 117
Accrued and other liabilities 251 (83)
Operating lease asset 69 99
Operating lease liability (72) (92)
Net cash used in operating activities (4,065) (4,673)
Cash flow from investing activities:    
Purchase of property, plant, and equipment (94) (123)
Sale of property, plant, and equipment 16 42
Investment in short term investments 0 154
Acquisition and development of intangible assets (222) (67)
Net cash (used in)/provided by investing activities (300) 6
Cash flows from financing activities:    
Net proceeds from the issuance of common stock 3,649 2,860
Repayment of long-term loan (3) (3)
Net cash provided by financing activities 3,646 2,857
Effects of exchange rate changes on cash and cash equivalents (9) (8)
Net (decrease) in cash and cash equivalents (728) (1,818)
Cash and cash equivalents at the beginning of the period 1,198 3,196
Cash and cash equivalents at the end of the period 470 1,378
Non-cash items:    
Common stock issued/granted for stock-based compensation, including patent acquisition. $ 1,250 $ 1,433