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v3.21.2

Statements of Cash Flows - USD ($) | 12 Months Ended
--- | ---
Sep. 30, 2021 | Sep. 30, 2020
Cash flows from operating activities |  |
Net income | $ 20,327,380 | $ 7,293,066
Adjustments to reconcile net income to net cash provided by (used in) operating activities: |  |
Depreciation and amortization | 2,301,803 | 2,421,754
Change in allowance for doubtful accounts | 209,612 | 0
Amortization of discount on investments | (7,326) | (64,327)
Deferred taxes | (187,349) | (279,808)
Loss on disposal of assets | 0 | 5,785
Stock-based compensation | 1,280,135 | 773,555
Changes in operating assets and liabilities: |  |
Accounts receivable | (9,150,819) | (1,378,033)
Inventories, net | (13,115,773) | (5,395,558)
Other assets | (531,201) | 127,773
Accounts payable and accrued expenses | 9,776,377 | 3,151,566
Net cash provided by operating activities | 10,902,839 | 6,655,773
Cash flows from investing activities |  |
Purchases of property, plant and equipment and intangible assets | (2,046,004) | (1,806,198)
Purchases of investments | (24,808,755) | (34,056,930)
Proceeds from maturities of investments | 13,255,000 | 35,822,000
Net cash used in investing activities | (13,599,759) | (41,128)
Cash flows from financing activities |  |
Proceeds from issuance of common stock under employee stock purchase plan | 383,697 | 348,776
Tax withholding and proceeds related to exercise of stock options | (458,017) | 9,564
Tax withholding related to vesting of restricted stock grants | (462,115) | (176,416)
Repurchase of common stock | 0 | (428,654)
Net cash used in financing activities | (536,435) | (246,730)
Increase (Decrease) in cash and cash equivalents | (3,233,355) | 6,367,915
Cash and cash equivalents, beginning of year | 16,449,636 | 10,081,721
Cash and cash equivalents, end of year | 13,216,281 | 16,449,636
Supplemental disclosures for cash flow information |  |
Cash paid during the year for income taxes | 5,504,985 | 1,442,079
Non-cash financing activities |  |
Cashless exercise of stock options | $ 1,271,472 | $ 97,811

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- Definition Amount of cash outflow to satisfy grantee's tax withholding obligation for award under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3291-108585 + Details
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- Definition The cash outflow associated with the purchase of all investments (debt, security, other) during the period. + 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=123570139&loc=d3e3213-108585 + Details
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- Definition The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3213-108585 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 50 -Section 30 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=123362884&loc=d3e9212-128498 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 50 -Section 30 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=123362884&loc=d3e9215-128498 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 50 -Section 25 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=123385561&loc=d3e9135-128495 + Details
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