CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	9 Months Ended
Jun. 30, 2011	Jun. 30, 2010
CASH FLOWS FROM OPERATING ACTIVITIES:
Net (Loss) income	$ 704,951	$ (502,906)
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation and amortization	499,073	632,175
Deposit forfeiture, installation kits		118,660
Share-based compensation expense:
Stock options	110,382	283,412
Nonvested stock awards	147,693	149,946
Tax benefit (charge) from share-based compensation:
Nonvested stock awards	4,605	4,939
Loss on disposal of property and equipment		1,126
(Increase) decrease in:
Accounts receivable	(534,709)	2,279,264
Inventories	279,414	304,517
Prepaid expenses and other current assets	305,038	326,393
Other non-current assets	(121,238)
Increase (decrease) in:
Accounts Payable	547,605	(216,486)
Accrued expenses	(314,320)	(517,140)
Income taxes payable	71,372	(149,158)
Deferred income tax	563	(9,682)
Deferred revenue	169,788	(58,809)
Net cash provided by operating activities	1,870,217	2,646,251
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property and equipment	(196,045)	(162,173)
Net cash (used in) investing activities	(196,045)	(162,173)
CASH FLOWS FROM FINANCING ACTIVITIES:
Purchase of treasury stock		(21,735)
Repayment of capitalized lease obligations	(9,129)	(8,501)
Net cash (used in) financing activities	(9,129)	(30,236)
Net increase in cash and cash equivalents	1,665,043	2,453,842
Cash and cash equivalents, beginning of year	40,916,346	35,565,694
Cash and cash equivalents, end of period	42,581,389	38,019,536
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION
Cash paid for interest	1,212	1,840
Cash paid for income tax	11,500	121,473
Cash received from income tax refund		$ 1,000

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