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Consolidated Statements of Cash Flows (USD $) | 12 Months Ended
--- | ---
Sep. 30, 2014 | Sep. 30, 2013
Cash flows from operations: |  |
Net Income | $ 3,473,000 | $ 6,725,000
Adjustments to reconcile net income to cash provided by (used in) operations: |  |
Purchase of marketable securities | (351,062,000) | (64,516,000)
Proceeds from sale and maturity of marketable securities | 348,845,000 | 64,068,000
Change in value of marketable securities | (1,782,000) | (1,290,000)
Deferred income taxes | 209,000 | (490,000)
Depreciation and amortization | 1,372,000 | 1,232,000
Provision for doubtful accounts | 60,000 | 65,000
(Gain) loss on disposal of assets | (413,000) | 25,000
Stock-based compensation | 263,000 | 243,000
Changes in assets and liabilities: |  |
Accounts receivable | (308,000) | (59,000)
Costs and estimated earnings in excess of billings | (344,000) | 3,448,000
Inventories | 453,000 | (2,208,000)
Prepaid expenses | (54,000) | (13,000)
Accounts payable | (336,000) | (598,000)
Customer deposits | (1,619,000) | 1,463,000
Accrued expenses and other | (1,121,000) | (701,000)
Total adjustments | (5,837,000) | 669,000
Cash flows provided by (used in) operations | (2,364,000) | 7,394,000
Cash flows from investing activities: |  |
Capital expenditures | (696,000) | (1,198,000)
Proceeds from sale of property and equipment | 685,000 |
Cash flows used in investing activities | (11,000) | (1,198,000)
Cash flows from financing activities: |  |
Proceeds from stock option exercises | 11,000 |
Cash flows provided by financing activities | 11,000 |
Net increase (decrease) in cash | (2,364,000) | 6,196,000
Cash and cash equivalents at: |  |
Beginning of year | 9,557,000 | 3,361,000
End of year | $ 7,193,000 | $ 9,557,000

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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash -URI http://asc.fasb.org/extlink&oid=6506951 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash Equivalents -URI http://asc.fasb.org/extlink&oid=6507016 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 1 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6676-107765 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3044-108585 + Details
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Period Type: | duration