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v3.20.4

Consolidated Statements of Cash Flows - USD ($) | 12 Months Ended
--- | ---
Sep. 30, 2020 | Sep. 30, 2019
Cash flows from operating activities: |  |
Net income | $ 5,531,000 | $ 10,196,000
Adjustments to reconcile net income to cash provided by operating activities: |  |
Purchase of marketable securities | (131,635,000) | (188,066,000)
Proceeds from sale and maturity of marketable securities | 146,122,000 | 188,047,000
Change in value of marketable securities | 1,337,000 | (1,245,000)
Deferred and other income taxes | (2,626,000) | 732,000
Depreciation and amortization | 1,643,000 | 1,600,000
Provision for doubtful accounts | 50,000 | 175,000
Loss on disposal of assets |  | 4,000
Stock-based compensation | 71,000 | 71,000
Changes in assets and liabilities: |  |
Accounts receivable | (439,000) | (785,000)
Costs and estimated earnings in excess of billings | 7,433,000 | (1,938,000)
Inventories | (1,724,000) | (3,476,000)
Prepaid expenses | (690,000) | 849,000
Accounts payable | (179,000) | 69,000
Customer deposits | 1,935,000 | (2,645,000)
Accrued expenses | (55,000) | 575,000
Total adjustments | 21,243,000 | (6,033,000)
Cash flows provided by operating activities | 26,774,000 | 4,163,000
Cash flows from investing activities: |  |
Capital expenditures | (1,595,000) | (2,104,000)
Cash flows used in investing activities | (1,595,000) | (2,104,000)
Cash flows from financing activities: |  |
Proceeds from stock option exercises | 103,000 | 231,000
Cash flows provided by financing activities | 103,000 | 231,000
Net increase in cash and cash equivalents | 25,282,000 | 2,290,000
Cash and cash equivalents at: |  |
Beginning of year | 10,302,000 | 8,012,000
End of year | 35,584,000 | $ 10,302,000
Non-cash investing and financing activities: |  |
Operating lease right-of-use assets | 942,000 |
Operating lease liabilities | $ 942,000 |

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