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Note 6 - Revenues (Tables) | 3 Months Ended
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Mar. 31, 2021
Notes Tables |
Disaggregation of Revenue [Table Text Block] |
|  | 2021 |  |  | 2020 |
Waste management and brokerage services |  | $ | 10,551 |  |  | $ | 10,525 |
Captive landfill management operations |  |  | 599 |  |  |  | 608 |
Total waste management services revenues |  |  | 11,150 |  |  |  | 11,133 |
Food, beverage and merchandise sales |  |  | 1,341 |  |  |  | 1,035 |
Membership dues revenue |  |  | 1,607 |  |  |  | 1,522 |
Room rental revenue |  |  | 488 |  |  |  | 272 |
Greens fees and cart rental revenue |  |  | 86 |  |  |  | 53 |
Tennis lesson revenue |  |  | 132 |  |  |  | 113 |
Other revenue |  |  | 309 |  |  |  | 275 |
Total golf and related operations revenue |  |  | 3,963 |  |  |  | 3,270 |
Total net operating revenues |  | $ | 15,113 |  |  | $ | 14,403 |
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] |
|  |  |  |  |  | Provision |  |  | Write-offs |  |  |  |  |
|  | Balance at |  |  | for Credit |  |  | less |  |  | Balance at |
|  | Beginning of Period |  |  | Losses |  |  | Recoveries |  |  | End of Period |
Allowance for credit losses |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Three months ended March 31, 2021 |  | $ | 265 |  |  | $ | (5 | ) |  | $ | - |  |  | $ | 260 |
Three months ended March 31, 2020 |  | $ | 275 |  |  | $ | 5 |  |  | $ | (3 | ) |  | $ | 277 |
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 March 31, 2021 |  | $ | 585 |  |  | $ | 585 |  |  | $ | (469 | ) |  | $ | 701 |
Three months ended March 31, 2020 |  | $ | 602 |  |  | $ | 685 |  |  | $ | (474 | ) |  | $ | 813 |
|  | Balance at |  |  |  |  |  |  | Revenue |  |  | Balance at |
|  | Beginning of Period |  |  | Billings |  |  | Recognized |  |  | End of Period |
Contract Liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred membership dues revenue |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Three months ended March 31, 2021 |  | $ | 3,196 |  |  | $ | 2,533 |  |  | $ | (1,607 | ) |  | $ | 4,122 |
Three months ended March 31, 2020 |  | $ | 3,153 |  |  | $ | 2,387 |  |  | $ | (1,522 | ) |  | $ | 4,018 |
Customer advance deposits |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Three months ended March 31, 2021 |  | $ | 674 |  |  | $ | 232 |  |  | $ | (154 | ) |  | $ | 752 |
Three months ended March 31, 2020 |  | $ | 553 |  |  | $ | 255 |  |  | $ | (178 | ) |  | $ | 630 |

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