Consolidated Statements of Cash Flows (Unaudited) (USD $)	9 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Cash flows from operating activities
Net income	$ 3,958,000	$ 5,917,000
Adjustments to reconcile net income to net cash provided by operations
Depreciation and amortization	371,000	408,000
Deferred income taxes	(851,000)	29,000
Net premium amortized and discount earned on bonds and U.S. Treasury Bills	(3,000)	(12,000)
Other-than-temporary impairment losses on investments ($1,720,000 net of taxes)	2,855,000
Decrease (increase) in current assets
Accounts receivable, net	1,236,000	1,337,000
Inventories	6,000	(11,000)
Prepaid expenses and other assets	(12,000)	1,000
Increase (decrease) in current liabilities
Accounts payable	(347,000)	80,000
Accrued liabilities	(913,000)	(560,000)
Income taxes	(178,000)	123,000
Deferred subscription and other revenues	260,000	(12,000)
Net cash provided by operating activities	6,382,000	7,300,000
Cash flows from investing activities
Maturities and sales of U.S. Treasury Bills	14,600,000	42,099,000
Purchases of U.S. Treasury Bills	(4,299,000)	(37,690,000)
Purchases of marketable securities	(16,390,000)	(11,154,000)
Purchases of property, plant and equipment	(352,000)	(74,000)
Net cash used in investing activities	(6,441,000)	(6,819,000)
(Decrease) increase in cash and cash equivalents	(59,000)	481,000
Cash and cash equivalents
Beginning of period	3,058,000	3,615,000
End of period	$ 2,999,000	$ 4,096,000