Consolidated Balance Sheets (Unaudited) (USD $) | Mar. 31, 2015 | Sep. 30, 2014 |
ASSETS | | |
Cash and cash equivalents | $11,855,000 | $15,410,000 |
Marketable securities at fair value, including common stocks of $164,589,000 and bonds of $8,276,000 at March 31, 2015 and common stocks of $165,734,000 and bonds of $7,942,000 at September 30, 2014 | 172,865,000 | 173,676,000 |
Accounts receivable, less allowance for doubtful accounts of $250,000 at March 31, 2015 and September 30, 2014, respectively | 6,563,000 | 8,566,000 |
Inventories | 38,000 | 51,000 |
Prepaid expenses and other assets | 844,000 | 983,000 |
Income tax receivable | 868,000 | 2,051,000 |
Total current assets | 193,033,000 | 200,737,000 |
Land, buildings and improvements | 12,759,000 | 12,814,000 |
Furniture, office equipment and computer software | 3,132,000 | 2,889,000 |
Machinery and equipment | 1,864,000 | 1,864,000 |
| 17,755,000 | 17,567,000 |
Less accumulated depreciation | -8,633,000 | -8,552,000 |
| 9,122,000 | 9,015,000 |
Intangibles, net | 15,296,000 | 17,744,000 |
Goodwill | 13,400,000 | 13,400,000 |
Deferred income taxes | 3,744,000 | 2,981,000 |
| 234,595,000 | 243,877,000 |
LIABILITIES AND SHAREHOLDERS' EQUITY | | |
Accounts payable | 4,367,000 | 4,344,000 |
Accrued liabilities | 3,293,000 | 3,118,000 |
Deferred income taxes, net | 43,097,000 | 46,502,000 |
Total current liabilities | 67,822,000 | 73,272,000 |
Investment margin account borrowings | 29,493,000 | 29,493,000 |
Deferred maintenance agreements | 184,000 | 180,000 |
Income tax payable | 3,121,000 | 3,244,000 |
Accrued interest and penalty for uncertain and unrecognized tax benefits | 581,000 | 537,000 |
Accrued liabilities | 530,000 | 780,000 |
Total long term liabilities | 33,909,000 | 34,234,000 |
Commitments and contingencies (Note 9) | | |
Preferred stock, $.01 par value, 5,000,000 shares authorized and no shares issued | 0 | 0 |
Common stock, $.01 par value, 5,000,000 shares authorized; 1,805,053 shares issued, including 424,307 treasury shares, at March 31, 2015 and September 30, 2014 | 14,000 | 14,000 |
Additional paid-in capital | 1,755,000 | 1,755,000 |
Retained earnings | 59,238,000 | 58,301,000 |
Accumulated other comprehensive income | 71,857,000 | 76,301,000 |
Total shareholders' equity | 132,864,000 | 136,371,000 |
| 234,595,000 | 243,877,000 |
Subscription Arrangement [Member] | | |
LIABILITIES AND SHAREHOLDERS' EQUITY | | |
Deferred subscriptions | 3,392,000 | 3,381,000 |
Deferred Installation Contracts [Member] | | |
LIABILITIES AND SHAREHOLDERS' EQUITY | | |
Deferred subscriptions | 8,224,000 | 8,896,000 |
Deferred Maintenance Agreement [Member] | | |
LIABILITIES AND SHAREHOLDERS' EQUITY | | |
Deferred subscriptions | $5,449,000 | $7,031,000 |