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Note 5 - Revenues (Tables) | 9 Months Ended
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Sep. 30, 2020
Notes Tables |
Disaggregation of Revenue [Table Text Block] |
|  | Three Months Ended |  |  | Nine Months Ended |
|  | September 30, |  |  | September 30, |
|  | 2020 |  |  | 2019 |  |  | 2020 |  |  | 2019 |
Waste management and brokerage services |  | $ | 8,792 |  |  | $ | 10,867 |  |  | $ | 27,818 |  |  | $ | 33,853 |
Captive landfill management operations |  |  | 534 |  |  |  | 705 |  |  |  | 1,729 |  |  |  | 2,055 |
Total waste management services revenues |  |  | 9,326 |  |  |  | 11,572 |  |  |  | 29,547 |  |  |  | 35,908 |
Food, beverage and merchandise sales |  |  | 2,851 |  |  |  | 2,587 |  |  |  | 5,247 |  |  |  | 6,027 |
Membership dues revenue |  |  | 1,522 |  |  |  | 1,474 |  |  |  | 4,540 |  |  |  | 4,220 |
Room rental revenue |  |  | 1,132 |  |  |  | 814 |  |  |  | 1,725 |  |  |  | 1,808 |
Greens fees and cart rental revenue |  |  | 1,332 |  |  |  | 1,098 |  |  |  | 1,998 |  |  |  | 1,755 |
Other revenue |  |  | 462 |  |  |  | 473 |  |  |  | 1,038 |  |  |  | 1,333 |
Total golf and related operations revenue |  |  | 7,299 |  |  |  | 6,446 |  |  |  | 14,548 |  |  |  | 15,143 |
Total net operating revenues |  | $ | 16,625 |  |  | $ | 18,018 |  |  | $ | 44,095 |  |  | $ | 51,051 |
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] |
|  |  |  |  |  | Provision |  |  | Write-offs |  |  |  |  |
|  | Balance at |  |  | for Doubtful |  |  | less |  |  | Balance at |
|  | Beginning of Period |  |  | Accounts |  |  | Recoveries |  |  | End of Period |
Allowance for doubtful accounts |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Three months ended September 30, 2020 |  | $ | 271 |  |  | $ | 9 |  |  | $ | (4 | ) |  | $ | 276 |
Three months ended September 30, 2019 |  | $ | 267 |  |  | $ | 9 |  |  | $ | (3 | ) |  | $ | 273 |
Nine months ended September 30, 2020 |  | $ | 275 |  |  | $ | 23 |  |  | $ | (22 | ) |  | $ | 276 |
Nine months ended September 30, 2019 |  | $ | 255 |  |  | $ | 27 |  |  | $ | (9 | ) |  | $ | 273 |
Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] |
|  |  |  |  |  | Unbilled |  |  |  |  |  |  |  |  |
|  | Balance at |  |  | Membership |  |  |  |  |  |  | Balance at |
|  | Beginning of Period |  |  | Dues |  |  | Billings |  |  | End of Period |
Contract Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unbilled membership dues receivable |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Three months ended September 30, 2020 |  | $ | 1,109 |  |  | $ | 305 |  |  | $ | (548 | ) |  | $ | 866 |
Three months ended September 30, 2019 |  | $ | 1,101 |  |  | $ | 284 |  |  | $ | (532 | ) |  | $ | 853 |
Nine months ended September 30, 2020 |  | $ | 602 |  |  | $ | 1,950 |  |  | $ | (1,686 | ) |  | $ | 866 |
Nine months ended September 30, 2019 |  | $ | 554 |  |  | $ | 1,813 |  |  | $ | (1,514 | ) |  | $ | 853 |
|  | Balance at |  |  |  |  |  |  | Revenue |  |  | Balance at |
|  | Beginning of Period |  |  | Billings |  |  | Recognized |  |  | End of Period |
Contract Liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred membership dues revenue |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Three months ended September 30, 2020 |  | $ | 4,776 |  |  | $ | 787 |  |  | $ | (1,522 | ) |  | $ | 4,041 |
Three months ended September 30, 2019 |  | $ | 4,497 |  |  | $ | 831 |  |  | $ | (1,474 | ) |  | $ | 3,854 |
Nine months ended September 30, 2020 |  | $ | 3,153 |  |  | $ | 5,428 |  |  | $ | (4,540 | ) |  | $ | 4,041 |
Nine months ended September 30, 2019 |  | $ | 2,899 |  |  | $ | 5,175 |  |  | $ | (4,220 | ) |  | $ | 3,854 |
Customer advance deposits |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Three months ended September 30, 2020 |  | $ | 652 |  |  | $ | 261 |  |  | $ | (301 | ) |  | $ | 612 |
Three months ended September 30, 2019 |  | $ | 556 |  |  | $ | 438 |  |  | $ | (487 | ) |  | $ | 507 |
Nine months ended September 30, 2020 |  | $ | 553 |  |  | $ | 656 |  |  | $ | (597 | ) |  | $ | 612 |
Nine months ended September 30, 2019 |  | $ | 453 |  |  | $ | 1,100 |  |  | $ | (1,046 | ) |  | $ | 507 |

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