Note 2 - Revenue Recognition - Deferred Costs of Revenue Balances Included in Prepaid Expenses (Details) - USD ($) |
3 Months Ended | |
|---|---|---|
Mar. 31, 2022 |
Mar. 31, 2021 |
|
| Balance, deferred costs of revenue | $ 154,218 | $ 89,068 |
| Deferred costs added | 2,800 | 17,406 |
| Deferred costs expensed | (55,362) | (75,223) |
| Balance, deferred costs of revenue | $ 101,656 | $ 31,251 |
| 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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