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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)
$ in Thousands
 6 Months Ended
Jul. 31, 2024
Jul. 31, 2023
Cash flows from operating activities:    
Net loss $ (4,276) $ (55)
Adjustments to reconcile net loss to net cash provided by operating activities:    
Stock-based compensation expense 8,958 7,124
Depreciation and amortization of capital expenditures 2,073 2,188
Amortization of intangible assets 2,955 1,433
Amortization of operating lease right-of-use assets 1,517 1,460
Gain on note conversion (980)  
Facilities consolidation gain   (956)
Other 108 (4)
Changes in operating assets and liabilities:    
Accounts receivable, net 1,675 (1,481)
Inventories and deferred inventory costs 4,527 3,347
Prepaid expenses and other assets (1,571) (1,485)
Accounts payable, accrued expenses and other liabilities (4,399) (6,896)
Deferred revenue 85 161
Net cash provided by operating activities 10,672 4,836
Cash flows from investing activities:    
Proceeds from maturities of short-term investments   2,250
Capital expenditures (3,192) (3,518)
Business acquisition, working capital adjustments   300
Net cash used in investing activities (3,192) (968)
Cash flows from financing activities:    
Proceeds from issuance of common stock 1,584 1,888
Payments for repurchases of common stock (891)  
Repayments of long-term debt (7,500)  
Net cash (used in) provided by financing activities (8,431) 974
Net (decrease) increase in cash and cash equivalents (951) 4,842
Cash and cash equivalents at beginning of period 17,536 24,137
Cash and cash equivalents at end of period 16,585 28,979
Restricted Stock Units (RSUs)    
Cash flows from financing activities:    
Shares repurchased for tax withholdings on vesting of restricted stock units ("RSU") $ (1,624) $ (914)