Consolidated Statements of Cash Flows (Unaudited) (USD $)	3 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Cash flows from operating activities
Net income (loss)	$ 433,000us-gaap_NetIncomeLoss	$ (640,000)us-gaap_NetIncomeLoss
Adjustments to reconcile net income (loss) to net cash provided by operations
Depreciation and amortization	1,360,000us-gaap_DepreciationAndAmortization	1,364,000us-gaap_DepreciationAndAmortization
Gains on sales of marketable securities	(4,000)us-gaap_GainLossOnInvestments
Deferred income taxes	(351,000)	(280,000)
Discounts earned on bonds	(1,000)	(1,000)
(Increase) decrease in current assets (net of acquisitions)
Accounts receivable, net	734,000	59,000
Inventories	(4,000)us-gaap_IncreaseDecreaseInInventories	24,000us-gaap_IncreaseDecreaseInInventories
Prepaid expenses and other assets	65,000	308,000
Income tax receivable	1,357,000	253,000
Increase (decrease) in liabilities (net of acquisitions)
Accounts payable	(1,023,000)	(540,000)
Accrued liabilities	(326,000)	(1,396,000)
Income taxes	(62,000)
Net cash provided (used for) by operating activities	252,000	(1,131,000)
Cash flows from investing activities
Sales of marketable securities	4,044,000
Purchases of marketable securities	(10,977,000)
Purchases of property, plant and equipment	(69,000)	(91,000)
Net cash used in investing activities	(7,002,000)	(91,000)
Decrease in cash and cash equivalents	(6,750,000)	(1,222,000)
Cash and cash equivalents
Beginning of period	15,410,000	11,338,000
End of period	8,660,000	10,116,000
Interest paid during period	61,000us-gaap_InterestPaid	61,000us-gaap_InterestPaid
Net income taxes (refunded) paid during period	(969,000)us-gaap_IncomeTaxesPaidNet	17,000us-gaap_IncomeTaxesPaidNet
Subscription Arrangement [Member]
Increase (decrease) in liabilities (net of acquisitions)
Deferred Revenue	(46,000)	(75,000)
Deferred Installation Contracts [Member]
Increase (decrease) in liabilities (net of acquisitions)
Deferred Revenue	(70,000)	564,000
Deferred Maintenance Agreement [Member]
Increase (decrease) in liabilities (net of acquisitions)
Deferred Revenue	$ (1,810,000)	$ (771,000)

The sum of the periodic adjustments of the differences between securities' face values and purchase prices that are charged against earnings. This is called accretion if the security was purchased at a discount and amortization if it was purchased at premium. As a noncash item, this element is an adjustment to net income when calculating cash provided by or used in operations using the indirect method.

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