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Consolidated Statements of Cash Flows (USD $) | 12 Months Ended
--- | ---
Sep. 30, 2013 | Sep. 30, 2012
Cash flows from operations: |  |
Net income | $ 6,725,000 | $ 4,472,000
Adjustments to reconcile net income to cash provided by operations: |  |
Purchase of marketable securities | (64,516,000) | (67,123,000)
Proceeds from sale and maturity of marketable securities | 64,068,000 | 62,363,000
Change in value of marketable securities | (1,290,000) | (4,129,000)
Deferred income taxes | (490,000) | 2,161,000
Depreciation and amortization | 1,232,000 | 1,075,000
Provision for doubtful accounts | 65,000 | 366,000
Loss on disposal of assets | 25,000 | 28,000
Stock-based compensation | 243,000 | 189,000
Changes in assets and liabilities: |  |
Accounts receivable | (59,000) | 1,000
Costs and estimated earnings in excess of billings | 3,448,000 | 1,002,000
Inventories | (2,208,000) | 960,000
Prepaid expenses | (13,000) | 850,000
Account payable | (598,000) | (97,000)
Customer deposits | 1,463,000 | (276,000)
Accrued expenses and other | (701,000) | 675,000
Total adjustments | 669,000 | (1,955,000)
Cash flows provided by operations | 7,394,000 | 2,517,000
Cash flows from investing activities: |  |
Capital expenditures | (1,198,000) | (871,000)
Cash flows used by investing activities | (1,198,000) | (871,000)
Net increase in cash | 6,196,000 | 1,646,000
Cash and cash equivalents at: |  |
Beginning of year | 3,361,000 | 1,715,000
End of year | $ 9,557,000 | $ 3,361,000

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