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14) Revenues From Contracts With Customers: Schedule of Opening and Closing Balances of Receivables, Contract Assets and Contract Liabilities (Details) - USD ($) | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Mar. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Receivables |  | $ 13,970,177 | $ 10,899,207 |
Deferred pre-need cemetery and mortuary contract revenues |  | 13,514,055 | 13,080,179 |
Receivables |  |  |  |
Receivables | [1] | 3,988,538 | 4,119,988 | $ 2,778,879
Increase (Decrease) in Accounts Receivable | [1] | (131,450) | 1,341,109 |
Contract Asset |  |  |  |
Deferred pre-need cemetery and mortuary contract revenues |  | 0 | 0 | 0
Increase (Decrease) in Deferred Revenue |  | 0 | 0 |
Contract Liability |  |  |  |
Deferred pre-need cemetery and mortuary contract revenues |  | 13,514,055 | 13,080,179 | $ 12,508,625
Increase (Decrease) in Deferred Revenue |  | $ 433,876 | $ 472,201 |
[1] | Included in Receivables, net on the condensed consolidated balance sheets

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