CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	12 Months Ended
Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 200,268	$ 1,886,917	$ 2,978,994
Adjustments to reconcile net income to net cash (used in) provided by operating activities:
Depreciation and amortization	576,478	545,620	529,325
Share-based compensation expense
Stock options	660,136us-gaap_StockOptionPlanExpense	712,395us-gaap_StockOptionPlanExpense	444,507us-gaap_StockOptionPlanExpense
Stock awards	150,055us-gaap_RestrictedStockExpense	200,008us-gaap_RestrictedStockExpense	199,998us-gaap_RestrictedStockExpense
Tax adjustment from share-based compensation	(252,688)	(33,301)	(5,422)
Recovery of loss on accounts receivable			(1,373)us-gaap_ProvisionForDoubtfulAccounts
Provision for loss on unbilled receivables	3,680,679
(Gain) loss on disposal of property and equipment	78	(11,536)
Excess and obsolete inventory cost	196,205us-gaap_InventoryWriteDown	48,450us-gaap_InventoryWriteDown	113,456us-gaap_InventoryWriteDown
Deferred income taxes	(648,456)	(215,424)	(2,434,379)
(Increase) decrease in:
Accounts receivable	69,571	(510,922)	(853,025)
Unbilled receivables	(4,566,965)	(4,944,006)	(1,210,796)
Inventories	(1,289,478)us-gaap_IncreaseDecreaseInInventories	(624,416)us-gaap_IncreaseDecreaseInInventories	(406,408)us-gaap_IncreaseDecreaseInInventories
Prepaid expenses and other current assets	(107,899)	(206,002)	54,788
Other non-current assets	105,886	(116,333)
Increase (decrease) in:
Accounts payable	30,515	1,232,673	695,948
Accrued expenses	557,222	744,085	192,101
Income taxes payable	(152,608)	118,502	(110,805)
Deferred revenue	78,795	(979,027)	1,193,922
Net cash (used in) provided by operating activities	(712,206)	(2,152,317)	1,380,831
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property and equipment	(719,522)	(605,301)	(217,533)
Proceeds from the sale of property and equipment	600	18,500
Net cash (used in) investing activities	(718,922)	(586,801)	(217,533)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from exercise of stock options	259,505	1,156,039
Purchases of treasury stock		(696)	(798,462)
Dividend paid		(25,007,519)us-gaap_PaymentsOfDividends
Repayment of capitalized lease obligations			(13,189)
Net cash provided by (used in) financing activities	259,505	(23,852,176)	(811,651)
Net increase (decrease) in cash and cash equivalents	(1,171,623)	(26,591,294)	351,647
Cash and cash equivalents, beginning of year	16,386,207	42,977,501	42,625,854
Cash and cash equivalents, end of year	15,214,584	16,386,207	42,977,501
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION
Cash paid for interest			599us-gaap_InterestPaid
Cash paid for income tax	770,000us-gaap_IncomeTaxesPaid	250,000us-gaap_IncomeTaxesPaid	153,327us-gaap_IncomeTaxesPaid
Cash received from income tax refund			$ 4,096us-gaap_ProceedsFromIncomeTaxRefunds

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