Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Cash flows from operating activities
Net (loss) income	$ (1,471,000)	$ 50,000
Adjustments to reconcile net (loss) income to net cash used in operations
Depreciation and amortization	1,392,000	1,415,000
Deferred income taxes	(917,000)	(165,000)
Discounts earned on bonds	(1,000)	(1,000)
Changes in assets and liabilities
Accounts receivable, net	(891,000)	445,000
Inventories	(9,000)	(2,000)
Prepaid expenses and other assets	5,000	(49,000)
Income tax receivable	645,000	75,000
Accounts payable	18,000	(1,636,000)
Accrued liabilities	(373,000)	(229,000)
Income taxes	(68,000)	(66,000)
Net cash used in operating activities	(1,311,000)	(1,615,000)
Cash flows from investing activities
Purchases of marketable securities	(5,013,000)	(3,838,000)
Purchases of property, plant and equipment, including the Logan, Utah office building in fiscal 2016	(187,000)	(3,541,000)
Net cash used in investing activities	(5,200,000)	(7,379,000)
Cash flows from financing activities
Note payable collateralized by real estate		2,260,000
Payment of real estate loan principal	(27,000)
Net cash (used in) provided by financing activities	(27,000)	2,260,000
Decrease in cash and cash equivalents	(6,538,000)	(6,734,000)
Beginning of period	11,411,000	15,617,000
End of period	4,873,000	8,883,000
Interest paid during period	111,000	65,000
Net income taxes paid (refunded) during period	3,000	(29,000)
Subscription Arrangement [Member]
Changes in assets and liabilities
Deferred revenue arrangements	(106,000)	(118,000)
Deferred Maintenance Agreement [Member]
Changes in assets and liabilities
Deferred revenue arrangements	678,000	(783,000)
Deferred Installation Contracts [Member]
Changes in assets and liabilities
Deferred revenue arrangements	$ (213,000)	$ (551,000)