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Note 7 - Results of Operations by Quarter (Unaudited) (Tables) | 12 Months Ended
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Sep. 30, 2018
Notes Tables |
Quarterly Financial Information [Table Text Block] |
|  | Quarter ended |
|  | December 31 |  |  | March 31 |  |  | June 30 |  |  | September 30 |
|  | (in thousands except per share amounts) |
2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  | $ | 10,252 |  |  | $ | 9,338 |  |  | $ | 11,007 |  |  | $ | 10,106 |
Costs and expenses |  |  | 13,697 |  |  |  | 13,711 |  |  |  | 13,716 |  |  |  | 13,639 |
Loss from operations |  |  | (3,445 | ) |  |  | (4,373 | ) |  |  | (2,709 | ) |  |  | (3,533 | )
Other income, net |  |  | 1,334 |  |  |  | 4,041 |  |  |  | 1,027 |  |  |  | 879 |
Other-than-temporary impairment losses on investments |  |  | --- |  |  |  | --- |  |  |  | --- |  |  |  | (4,560 | )
Loss before taxes |  |  | (2,111 | ) |  |  | (332 | ) |  |  | (1,682 | ) |  |  | (7,214 | )
Benefits from income taxes |  |  | 16,850 |  |  |  | 100 |  |  |  | 710 |  |  |  | 1,880 |
Net income (loss) |  |  | 14,739 |  |  |  | (232 | ) |  |  | (972 | ) |  |  | (5,334 | )
Basic and diluted net income (loss) per share |  |  | 10.67 |  |  |  | (.17 | ) |  |  | (.70 | ) |  |  | (3.86 | )
2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  | $ | 9,990 |  |  | $ | 10,279 |  |  | $ | 10,201 |  |  | $ | 10,914 |
Costs and expenses |  |  | 12,843 |  |  |  | 13,545 |  |  |  | 13,834 |  |  |  | 14,329 |
Loss from operations |  |  | (2,853 | ) |  |  | (3,266 | ) |  |  | (3,633 | ) |  |  | (3,415 | )
Other income, net |  |  | 1,072 |  |  |  | 2,005 |  |  |  | 817 |  |  |  | 1,205 |
Income (loss) before taxes |  |  | (1,781 | ) |  |  | (1,261 | ) |  |  | (2,816 | ) |  |  | (2,210 | )
Benefits from income taxes |  |  | 310 |  |  |  | 4,240 |  |  |  | 1,465 |  |  |  | 1,135 |
Net (loss) income |  |  | (1,471 | ) |  |  | 2,979 |  |  |  | (1,351 | ) |  |  | (1,075 | )
Basic and diluted net income (loss) per share |  |  | (1.07 | ) |  |  | 2.16 |  |  |  | (.98 | ) |  |  | (.77 | )

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