Quarterly report pursuant to Section 13 or 15(d)

Note 2 - Revenue From Contracts With Customers - Deferred Costs of Revenue Balances Included in Prepaid Expenses (Details)

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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