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Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Operating Activities: |  |
Net loss | $ (1,305) | $ (619)
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation and amortization | 639 | 281
Amortization of debt issuance costs | 5 | 0
Warranty provision | 4 | 15
Inventory obsolescence | 26 | 100
Stock-based compensation | 558 | 182
Realized loss on foreign currency forward contract | 0 | (76)
Deferred income taxes | (291) | (5)
Amortization of operating lease right of use asset | 178 | 170
Accretion of acquisition holdback liability | 12 | 0
Changes in operating assets and liabilities: |  |
Accounts receivable, net | 889 | 2,300
Inventories, net | (2,752) | (1,114)
Prepaid expenses and other | 979 | 120
Accounts payable | 99 | 232
Accrued and other liabilities | (1,743) | (314)
Net cash (used in) provided by operating activities | (2,702) | 1,272
Investing Activities: |  |
Purchases of marketable securities | (2,655) | (1,793)
Proceeds from maturities of marketable securities | 2,886 | 1,925
Cash paid for acquisitions net of cash acquired | 0 | (4,367)
Capital expenditures | (159) | (29)
Net cash provided by (used in) investing activities | 72 | (4,264)
Financing Activities: |  |
Proceeds from exercise of stock options | 46 | 54
Repurchase of common stock | (441) | 0
Net cash (used in) provided by financing activities | (395) | 54
Effect of foreign exchange rate on cash | (11) | 1
Net decrease in cash, cash equivalents, and restricted cash | (3,036) | (2,937)
Cash, cash equivalents and restricted cash, beginning of period | 14,528 | 23,996
Cash, cash equivalents and restricted cash, end of period | 11,492 | 21,059
Cash and cash equivalents | 10,136 | 19,584
Restricted cash, current portion | 273 | 295
Long-term restricted cash | 1,083 | 1,180
Total cash, cash equivalents and restricted cash shown in the consolidated statement of cash flows | 11,492 | 21,059
Noncash investing and financing activities: |  |
Change in unrealized loss on marketable securities | (10) | (3)
Initial measurement of operating lease right of use assets | 7 | 248
Initial measurement of operating lease liabilities | 7 | 248
Fair value of net assets acquired | 0 | 8,411
Assets Acquisition of Amika Mobile Corporation [Member] |  |
Noncash investing and financing activities: |  |
Obligation to issue common stock in connection with the Amika Mobile asset purchase | $ (832) | $ (3,431)

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