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v3.20.2

Statements of Cash Flows - USD ($) | 12 Months Ended
--- | ---
Sep. 30, 2020 | Sep. 30, 2019
Cash flows from operating activities |  |
Net income | $ 7,293,066 | $ 4,566,156
Adjustments to reconcile net income to net cash provided by (used in) operating activities: |  |
Depreciation and amortization | 2,421,754 | 2,178,409
Change in allowance for doubtful accounts |  | 210,000
Amortization of discount on investments | (64,327) | (71,652)
Deferred taxes | (279,808) | (3,245)
Loss on disposal of assets | 5,785 |
Stock-based compensation | 773,555 | 1,729,025
Changes in operating assets and liabilities: |  |
Accounts receivable | (1,378,033) | 3,492,619
Inventories, net | (5,395,558) | 1,037,155
Other assets | 127,773 | (10,469)
Accounts payable, accrued expenses and deferred rent | 3,151,566 | 1,604,655
Net cash provided by operating activities | 6,655,773 | 14,732,653
Cash flows from investing activities |  |
Purchases of property, plant and equipment and intangible assets | (1,806,198) | (2,511,646)
Purchases of investments | (34,056,930) | (20,311,393)
Proceeds from maturities of investments | 35,822,000 | 9,861,000
Net cash used in investing activities | (41,128) | (12,962,039)
Cash flows from financing activities |  |
Repurchases of common stock | (428,654) |
Proceeds from issuance of common stock under employee stock purchase plan | 348,776 | 313,891
Proceeds from issuance of common stock upon exercise of stock options | 9,564 | 2,604
Tax withholding related to vesting of restricted stock grants | (176,416) | (553,165)
Net cash used in financing activities | (246,730) | (236,670)
Increase in cash and cash equivalents | 6,367,915 | 1,533,944
Cash and cash equivalents, beginning of year | 10,081,721 | 8,547,777
Cash and cash equivalents, end of year | 16,449,636 | 10,081,721
Supplemental disclosures for cash flow information |  |
Cash paid during the year for income taxes | 1,442,079 | 1,683,113
Non-cash financing activities |  |
Cashless exercise of stock options | $ 97,811 | $ 17,390

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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=121586364&loc=d3e3602-108585 + Details
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- References No definition available. + Details
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