XML 16 R5.htm IDEA: XBRL DOCUMENT v3.19.1
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)
$ in Thousands
3 Months Ended
Apr. 30, 2019
Apr. 30, 2018
Cash flows from operating activities:    
Net loss $ (4,740) $ (3,685)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:    
Stock-based compensation expense 2,982 2,314
Depreciation and amortization of capital expenditures 652 504
Amortization of acquired intangible assets 207 145
Non-cash operating lease expense 446  
Amortization and accretion of premiums from investments (126) (57)
Changes in operating assets and liabilities:    
Accounts receivable, net 62 (874)
Inventories and deferred inventory costs (651) (311)
Prepaid expenses and other assets (1,005) (564)
Accounts payable and other liabilities (3,141) 2,770
Deferred revenue (430) 52
Net cash (used in) provided by operating activities (5,744) 294
Cash flows from investing activities:    
Purchases of short-term investments (15,345) (5,409)
Proceeds from maturities and sales of short-term investments 16,969 11,526
Capital expenditures (602) (405)
Business acquisition, net of cash assumed   (2,402)
Net cash provided by investing activities 1,022 3,310
Cash flows from financing activities:    
Proceeds from issuance of common stock 1,454 1,166
Net cash provided by financing activities 724 407
Net (decrease) increase in cash and cash equivalents (3,998) 4,011
Cash and cash equivalents at beginning of period 15,370 4,483
Cash and cash equivalents at end of period 11,372 8,494
Restricted Stock Units (RSUs)    
Cash flows from financing activities:    
Shares repurchased for tax withholdings on vesting of restricted stock units ("RSU") $ (730) $ (759)