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Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2017
Operating activities |  |  |
Net loss | $ (19,260) | $ (11,615) | $ (39,187)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities: |  |  |
Depreciation and amortization | 5,091 | 4,599 | 5,796
Change in fair value of earnout liability | 3,500 | 100 | (954)
Stock compensation expense | 6,508 | 6,597 | 7,377
Inventory adjustment to net realizable value | 331 | 2,494 | 10,381
Provision for doubtful accounts | 178 | 199 | 357
Deferred tax expense (benefit) | 136 | (10,945) | (620)
Impairment of goodwill and long-lived assets | 0 | 0 | 1,963
Change in fair value of financial instruments | 0 | 90 | (573)
Incremental tax loss from exercise of common stock options and restricted stock | 0 | 0 | 1,198
Gain on disposal of property and equipment | (15) | (480) | 0
Changes in operating assets and liabilities: |  |  |
Accounts receivable | (2,012) | 6,582 | (1,611)
Inventory | 3,948 | 8,120 | (3,507)
Prepaid and deferred taxes | (811) | 739 | 730
Prepaid expenses and other assets | 1,554 | (689) | (1,024)
Accounts payable | 1,191 | 670 | 3,192
Accrued expenses and other current liabilities | 1,999 | (9,576) | (14,882)
Distributions payable | (453) | (953) | 1,359
Deferred revenue | 906 | 743 | 0
Payables to sellers | (8,716) | 4,586 | (4,519)
Other liabilities | (317) | (642) | 2,871
Net cash (used in) provided by operating activities | (6,242) | 619 | (31,653)
Investing activities |  |  |
Increase in intangibles | (23) | (35) | (119)
Purchases of property and equipment, including capitalized software | (5,938) | (4,174) | (7,805)
Proceeds from note receivable | 0 | 3,000 | 0
Proceeds from sale of property and equipment | 247 | 828 | 0
Purchase of short-term investments | (70,000) | (20,000) | 0
Maturities of short-term investments | 60,000 | 0 | 0
Cash paid for business acquisition, net of cash acquired | 0 | (16,673) | 0
Net cash used in investing activities | (15,714) | (37,054) | (7,924)
Financing activities |  |  |
Short-term borrowings, net | 0 | 0 | 0
Proceeds from exercise of common stock options (net of tax) | 590 | 404 | 92
Taxes paid associated with net settlement of share-based compensation | (44) | 0 | 0
Incremental tax loss from exercise of common stock options and restricted stock | 0 | 0 | (1,198)
Net cash provided by (used in) financing activities | 546 | 404 | (1,106)
Effect of exchange rate differences on cash and cash equivalents | (541) | 131 | 518
Net (decrease) increase in cash and cash equivalents | (21,951) | (35,900) | (40,165)
Cash and cash equivalents at beginning of year | 58,448 | 94,348 | 134,513
Cash and cash equivalents at end of year | 36,497 | 58,448 | 94,348
Supplemental disclosure of cash flow information |  |  |
Earnout liability for acquisition activity | 0 | 1,200 | 0
Issuance of common stock for acquisition activity | 0 | 2,005 | 0
Cash (paid) received for income taxes, net | $ (1,008) | $ (916) | $ 793

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- Definition The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585 + Details
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- Definition The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585 + Details
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- Definition The cash outflow for securities or other assets acquired, which qualify for treatment as an investing activity and are to be liquidated, if necessary, within the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the short-term. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585 + Details
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- Definition The cash inflow associated with the proceeds from sale of notes receivable, as well as principal collections from a borrowing supported by a written promise to pay an obligation (note receivable). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585 + Details
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- Definition The cash inflow from sales, maturities, prepayments, calls and collections of all investments, including securities and other assets, having ready marketability and intended by management to be liquidated, if necessary, within the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the short-term. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585 + Details
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- Definition The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585 + Details
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- Definition Amount of cash inflow from exercise of option under share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=116856206&loc=SL79508275-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585 + Details
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- Definition Amount of expense (reversal of expense) for expected credit loss on accounts receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919249-210447 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(5)) -URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227 + Details
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- Definition The cash outflow for a borrowing having initial term of repayment within one year or the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585 + Details
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- Definition Amount of noncash expense for share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 + Details
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- Definition The fair value of stock issued in noncash financing activities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4304-108586 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4332-108586 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4313-108586 + Details
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