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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)
 3 Months Ended
Dec. 31, 2011
Dec. 31, 2010
CASH FLOWS FROM OPERATING ACTIVITIES:    
Net (Loss) income $ (342,979) $ 284,780
Adjustments to reconcile net (loss) income to net cash provided by operating activities:    
Depreciation and amortization 167,057 159,115
Share-based compensation expense:    
Stock options 88,531 42,720
Nonvested stock awards 49,994 47,995
Excess tax adjustment from share-based compensation:    
Nonvested stock awards 303 (654)
Deferred income tax expense 167 188
(Increase) decrease in:    
Accounts receivable 563,712 (258,585)
Inventories (634,926) 357,892
Prepaid expenses and other current assets 26,433 152,061
Increase (decrease) in:    
Accounts Payable 583,504 272,275
Accrued expenses (160,086) (184,408)
Income taxes payable (405,416) 38,002
Deferred revenue 685,291 135,067
Net cash provided by operating activities 621,585 1,046,448
CASH FLOWS FROM INVESTING ACTIVITIES:    
Purchases of property and equipment (111,898) (19,395)
Net cash (used in) investing activities (111,898) (19,395)
CASH FLOWS FROM FINANCING ACTIVITIES:    
Purchase of treasury stock (348,692)  
Repayment of capitalized lease obligations (3,210) (2,989)
Net cash (used in) financing activities (351,902) (2,989)
Net increase in cash and cash equivalents 157,785 1,024,064
Cash and cash equivalents, beginning of year 42,625,854 40,916,346
Cash and cash equivalents, end of period 42,783,639 41,940,410
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION    
Cash paid for interest 237 458
Cash paid for income tax $ 153,327