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CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) | 12 Months Ended
--- | ---
Sep. 30, 2012 | Sep. 30, 2011 | Sep. 30, 2010
CASH FLOWS FROM OPERATING ACTIVITIES: |  |  |
Net income | $ 2,978,994 | $ 716,590 | $ 748,376
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation and amortization | 529,325 | 672,196 | 826,748
Deposit forfeiture, installation kits |  |  | 118,660
Share-based compensation expense: |  |  |
Stock options | 444,507 | 170,586 | 171,491
Nonvested stock awards | 199,998 | 199,712 | 199,946
Excess tax adjustment from share-based compensation: |  |  |
Nonvested stock awards | (5,422) | 6,813 | (1,926)
Provision for (recovery) loss on accounts receivable | (1,373) | 17,225 |
Loss on disposal of property and equipment |  | 2,413 | 4,917
Excess and obsolete inventory cost | 113,456 | 471,496 |
Deferred income taxes | (2,434,379) | 751 | (11,081)
(Increase) decrease in: |  |  |
Accounts receivable | (853,025) | (611,363) | 3,658,730
Inventories | (406,408) | 676,301 | 650,593
Prepaid expenses and other current assets | (1,156,008) | 78,066 | 273,711
Other non-current assets |  | (121,237) |
Increase (decrease) in: |  |  |
Accounts Payable | 695,948 | (100,362) | (664,113)
Accrued expenses | 192,101 | (188,354) | (200,500)
Income taxes payable | (110,805) | 219,324 | (116,058)
Deferred revenue | 1,193,922 | 66,009 | (59,027)
Net cash provided by operating activities | 1,380,831 | 2,276,166 | 5,600,467
CASH FLOWS FROM INVESTING ACTIVITIES: |  |  |
Purchases of property and equipment | (217,533) | (255,454) | (189,790)
Net cash (used in) investing activities | (217,533) | (255,454) | (189,790)
CASH FLOWS FROM FINANCING ACTIVITIES: |  |  |
Purchase of treasury stock | (798,462) | (298,926) | (48,630)
Repayment of capitalized lease obligations | (13,189) | (12,278) | (11,431)
Other |  |  | 36
Net cash (used in) financing activities | (811,651) | (311,204) | (60,025)
Net increase in cash and cash equivalents | 351,647 | 1,709,508 | 5,350,652
Cash and cash equivalents, beginning of year | 42,625,854 | 40,916,346 | 35,565,694
Cash and cash equivalents, end of year | 42,977,501 | 42,625,854 | 40,916,346
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION |  |  |
Cash paid for interest | 599 | 1,509 | 2,357
Cash paid for income tax | 153,327 | 11,500 | 121,473
Cash received from income tax refund | $ 4,096 | $ 43,253 | $ 1,000

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