Consolidated Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Cash flows from operating activities
Net income	$ 13,535,000	$ 157,000
Adjustments to reconcile net income to net cash used in operations
Depreciation and amortization	3,022,000	4,204,000
Deferred income taxes	(17,157,000)	(3,347,000)
Gains on sale of bonds and capital asset	(3,182,000)
Discounts earned on bonds		(2,000)
(Increase) decrease in current assets
Accounts receivable, net	(2,954,000)	(942,000)
Inventories	(13,000)	(8,000)
Prepaid expenses and other assets	311,000	(133,000)
Income tax receivable	(599,000)	(66,000)
Increase (decrease) in liabilities
Accounts payable	567,000	270,000
Accrued liabilities	361,000	(313,000)
Income taxes		(2,723,000)
Net cash used in operating activities	(6,250,000)	(3,430,000)
Cash flows from investing activities
Sales (purchases) of marketable securities	(8,125,000)
Sales (purchases) of marketable securities		(5,013,000)
Purchases of property, plant and equipment, net	(199,000)	(251,000)
Net cash provided by (used in) investing activities	7,926,000	(5,264,000)
Cash flows from financing activities
Payment of real estate loan principal	(86,000)	(82,000)
Net cash used in financing activities	(86,000)	(82,000)
Increase (decrease) in cash and cash equivalents	1,590,000	(8,776,000)
Cash and cash equivalents
Beginning of period	3,384,000	11,411,000
End of period	4,974,000	2,635,000
Interest paid during period	524,000	359,000
Net income taxes paid during period	6,000	1,000
Subscription and Circulation [Member]
Increase (decrease) in liabilities
Deferred revenue arrangements	(47,000)	(501,000)
License and Maintenance [Member]
Increase (decrease) in liabilities
Deferred revenue arrangements	1,268,000	817,000
Installation Contracts [Member]
Increase (decrease) in liabilities
Deferred revenue arrangements	$ (1,362,000)	$ (843,000)