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v3.21.2

Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 30, 2021 | Sep. 30, 2020
Cash flows from operating activities: |  |
Net loss | $ (14,056) | $ (19,242)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities: |  |
Deferred income tax expense | 3 | 181
Rental equipment depreciation | 15,075 | 17,945
Property, plant and equipment depreciation | 3,956 | 4,016
Amortization of intangible assets | 1,746 | 1,732
Goodwill impairment |  | 671
Accretion of discounts on short-term investments | 96 |
Stock-based compensation expense | 1,970 | 2,305
Bad debt expense (recovery) | (76) | 63
Inventory obsolescence expense | 3,001 | 4,726
Change in estimate of collectability of rental revenue |  | 7,993
Change in estimated fair value of contingent consideration | (3,524) | 1,100
Gross profit from sale of used rental equipment | (6,678) | (743)
Gain on disposal of property, plant and equipment |  | (116)
Realized gain on sale of investments, net | (1,993) |
Effects of changes in operating assets and liabilities: |  |
Trade accounts and notes receivables | (2,973) | 2,482
Unbilled receivables | (1,051) |
Inventories | (7,674) | 5
Deferred cost of revenue and other assets | 5,368 | (7,786)
Accounts payable trade | 4,712 | (2,453)
Deferred revenue and other liabilities | (5,074) | 5,243
Net cash provided by (used in) operating activities | (7,172) | 18,122
Cash flows from investing activities: |  |
Purchase of property, plant and equipment | (3,188) | (2,916)
Investment in rental equipment | (2,121) | (5,487)
Proceeds from the sale of property, plant and equipment | 16 | 204
Proceeds from the sale of used rental equipment | 10,626 | 4,149
Purchase of short-term investments | (12,544) |
Proceeds from the sale of short-term investments | 3,170 |
Business acquisition, net of acquired cash | (1,346) |
Proceeds from sale of investment in debt security | 2,069 |
Net cash used in investing activities | (3,318) | (4,050)
Cash flows from financing activities: |  |
Payments on contingent consideration | (1,421) | (78)
Purchase of treasury stock | (6,805) |
Net cash used in financing activities | (8,226) | (78)
Effect of exchange rate changes on cash | 96 | (233)
Increase (decrease) in cash and cash equivalents | (18,620) | 13,761
Cash and cash equivalents, beginning of fiscal year | 32,686 | 18,925
Cash and cash equivalents, end of fiscal year | $ 14,066 | $ 32,686

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