CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	6 Months Ended
Mar. 31, 2015	Mar. 31, 2014
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 229,651	$ 1,792,813
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	287,874	273,595
Share-based compensation expense:
Stock options	200,230us-gaap_StockOptionPlanExpense	339,565us-gaap_StockOptionPlanExpense
Stock awards	149,952issc_StockAwards	100,042issc_StockAwards
Tax adjustment from share-based compensation	(47,221)	(159,259)
Recovery of loss on unbilled receivables	(62,159)
(Gain) loss on disposal of property and equipment	(15,723)
Excess and obsolete inventory cost	217,832us-gaap_InventoryWriteDown	25,553us-gaap_InventoryWriteDown
Deferred income taxes	(575,614)	578,839
(Increase) decrease in:
Accounts receivable	1,028,911	(2,383,789)
Unbilled receivables, net	1,627,931	(1,720,900)
Inventories	633,713us-gaap_IncreaseDecreaseInInventories	(1,053,414)us-gaap_IncreaseDecreaseInInventories
Prepaid expenses and other current assets	(74,417)	(22,247)
Other non-current assets	(71,800)	(10,447)
Increase (decrease) in:
Accounts payable	(1,363,070)	1,296,522
Accrued expenses	(1,400,897)	589,503
Income taxes payable	(236,339)	(293,796)
Deferred revenue	234,527	(159,807)
Net cash provided by (used in) operating activities	763,381	(807,227)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property and equipment	(171,474)	(525,767)
Proceeds from the sale of property and equipment	15,900
Net cash (used in) investing activities	(155,574)	(525,767)
CASH FLOWS FROM FINANCING ACTIVITIES:
Purchase of Company's stock	(254,170)
Proceeds from exercise of stock options		231,128
Net cash (used in) provided by financing activities	(254,170)	231,128
Net increase (decrease) in cash and cash equivalents	353,637	(1,101,866)
Cash and cash equivalents, beginning of period	15,214,584	16,386,207
Cash and cash equivalents, end of period	15,568,221	15,284,341
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION
Cash paid for income tax	$ 190,000us-gaap_IncomeTaxesPaid	$ 610,000us-gaap_IncomeTaxesPaid

The total recognized tax benefit related to nonvested stock awards.

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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.

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Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period).

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