Note 2 - Revenue From Contracts With Customers - Deferred Costs of Revenue Balances Included in Prepaid Expenses (Details) - USD ($) |
3 Months Ended | |||||
|---|---|---|---|---|---|---|
Sep. 30, 2021 |
Jun. 30, 2021 |
Mar. 31, 2021 |
Sep. 30, 2020 |
Jun. 30, 2020 |
Mar. 31, 2020 |
|
| Balance, deferred costs of revenue | $ 25,758 | $ 31,251 | $ 89,068 | $ 56,275 | $ 246,351 | $ 453,607 |
| Deferred costs added | 194,686 | 11,188 | 17,406 | 0 | 2,472 | 181 |
| Deferred costs expensed | (33,118) | (16,681) | (75,223) | (54,477) | (192,548) | (207,437) |
| Balance, deferred costs of revenue | $ 187,326 | $ 25,758 | $ 31,251 | $ 1,798 | $ 56,275 | $ 246,351 |
| X | ||||||||||
- Definition Amount of deferred costs of revenue as of the balance sheet date. No definition available.
|
| X | ||||||||||
- Definition The amount of increase in deferred costs of revenue. No definition available.
|
| X | ||||||||||
- Definition The amount of expense for deferred costs of revenue in the period. No definition available.
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