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Note 9 - Segment Information - Reportable Segment Information (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
Operating revenues |  | $ 11,037 |  | $ 24,582 |
Operating costs and expenses |  | (14,868) |  | (12,621) |
Depreciation expense |  | (1,770) |  | (1,756) |
General and administrative and other expenses |  | (2,896) |  | (2,515) |
Operating income (loss) |  | (3,831) |  | 11,961 |
Pension and other post-retirement expenses |  | (514) |  | (871) |
Income tax benefit |  | 4,999 |  |  |
Assets |  | 48,100 |  | 44,801 |
Operating Segments [Member] |  |  |  |  |
Operating revenues | [1] | 11,037 |  | 24,582 | [2]
Operating costs and expenses |  | (8,662) |  | (7,031) | [2]
Depreciation expense |  | (1,770) |  | (1,756) | [2]
General and administrative and other expenses |  | (4,436) |  | (3,834) | [2]
Operating income (loss) |  | (3,831) |  | 11,961 | [2]
Pension and other post-retirement expenses |  | (514) |  | (871) | [2]
Interest expense |  | (156) |  | (190) | [2]
Income tax benefit |  | 4,999 |  |  |
Income from continuing operations |  | 498 |  | 10,900 | [2]
Capital expenditures | [3] | 421 |  | 1,457 | [2]
Assets | [4] | 48,100 |  | 44,801 | [2]
Operating Segments [Member] | Real Estate Segment [Member] |  |  |  |  |
Operating revenues | [1] | 446 |  | 14,575 |
Operating costs and expenses |  | (2,770) |  | (1,457) |
Depreciation expense |  |  |  |  |
General and administrative and other expenses |  | (1,145) |  | (982) |
Operating income (loss) |  | (3,469) |  | 12,136 |
Capital expenditures | [3] | 273 |  | 1,457 |
Assets | [4] | 13,634 |  | 13,261 |
Operating Segments [Member] | Leasing Segment [Member] |  |  |  |  |
Operating revenues | [1] | 6,223 |  | 5,732 |
Operating costs and expenses |  | (2,570) |  | (2,476) |
Depreciation expense |  | (1,179) |  | (1,207) |
General and administrative and other expenses |  | (865) |  | (742) |
Operating income (loss) |  | 1,609 |  | 1,307 |
Capital expenditures | [3] |  |  |  |
Assets | [4] | 17,084 |  | 18,100 |
Operating Segments [Member] | Utilities Segment [Member] |  |  |  |  |
Operating revenues | [1] | 3,220 |  | 3,153 |
Operating costs and expenses |  | (2,213) |  | (2,065) |
Depreciation expense |  | (525) |  | (477) |
General and administrative and other expenses |  | (357) |  | (306) |
Operating income (loss) |  | 125 |  | 305 |
Capital expenditures | [3] | 148 |  |  |
Assets | [4] | 9,388 |  | 9,613 |
Operating Segments [Member] | Resort Amenities Segment [Member] |  |  |  |  |
Operating revenues | [1] | 1,148 |  | 1,121 |
Operating costs and expenses |  | (1,109) |  | (978) |
Depreciation expense |  | (57) |  | (52) |
General and administrative and other expenses |  | (531) |  | (531) |
Operating income (loss) |  | (549) |  | (440) |
Capital expenditures | [3] |  |  |  |
Assets | [4] | 1,099 |  | 1,216 |
Operating Segments [Member] | Corporate and Other [Member] |  |  |  |  |
Operating revenues | [1],[2] |  |  | 1 |
Operating costs and expenses | [2] |  |  | (55) |
Depreciation expense | [2] | (9) |  | (20) |
General and administrative and other expenses | [2] | (1,538) |  | (1,273) |
Operating income (loss) | [2] | (1,547) |  | (1,347) |
Pension and other post-retirement expenses | [2] |  |  |  |
Capital expenditures | [3] |  | [2] |  |
Assets | [2],[4] | $ 6,895 |  | $ 2,611 |
[1] | Amounts are principally revenues from external customers and exclude equity in earnings of affiliates. Intersegment revenues were insignificant.
[2] | Consists primarily of miscellaneous transactions and unallocated general and administrative, and pension and other post-retirement expenses.
[3] | Primarily includes expenditures for property and deferred costs.
[4] | Segment assets are located in the United States.

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