v3.26.1
CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
Cash flows from operating activities:      
Net loss $ (13,246,000) $ (10,639,000) $ (20,087,000)
Adjustments to reconcile net loss to net cash used in operating activities:      
Allowance for credit losses and (recoveries) 106,000 2,000 (16,000)
Provision for excess and obsolete inventories 301,000 305,000 180,000
Non-cash lease expense 1,283,000 1,098,000 576,000
Change in fair value of contingent consideration   (160,000) (892,000)
Depreciation and amortization 628,000 665,000 927,000
Gain from sale of assets   (5,793,000)  
Change in fair value of warrants liability (6,209,000)    
Stock-based compensation 2,803,000 2,262,000 2,838,000
Amortization of premium on investments     (2,000)
Changes in assets and liabilities:      
Accounts receivable (1,174,000) (53,000) 369,000
Inventories (489,000) 781,000 1,258,000
Prepaid expenses and other assets (1,044,000) (1,091,000) (536,000)
Accounts payable 2,640,000 306,000 (355,000)
Accrued expenses and other liabilities (1,522,000) (658,000) (1,610,000)
Net cash used in operating activities (15,923,000) (12,975,000) (17,350,000)
Cash flows from investing activities:      
Proceeds from sale of assets   11,392,000  
Maturities of short-term investments     3,405,000
Purchases of property and equipment (486,000) (45,000) (645,000)
Net cash provided by (used in) investing activities (486,000) 11,347,000 2,760,000
Cash flows from financing activities:      
Proceeds from issuance of warrants 44,973,000    
Proceeds from warrants exercised 35,000    
Proceeds from issuance of common stock under employee stock plans 6,231,000 633,000 1,654,000
Net cash provided by financing activities 70,187,000 633,000 1,807,000
Net increase in cash and cash equivalents 53,778,000 (995,000) (12,783,000)
Cash and cash equivalents at beginning of the period 13,434,000 14,429,000 27,212,000
Cash and cash equivalents at end of the period 67,212,000 13,434,000 14,429,000
Non-cash investing and financing activities:      
Purchases of property and equipment through accounts payable and accruals     598,000
Operating lease right-of-use assets exchanged for lease obligations   9,092,000 1,445,000
Supplemental cash flow information:      
Cash paid for income taxes, net of refunds 203,000 $ 256,000 389,000
At the market offering      
Cash flows from financing activities:      
Proceeds from issuance of common stock 14,268,000   $ 153,000
Registered direct offering      
Cash flows from financing activities:      
Proceeds from issuance of common stock $ 4,680,000