Note 2 - Revenue from Contracts with Customers - Deferred Costs of Revenue Balances Included in Prepaid Expenses (Details) - USD ($) |
12 Months Ended | |
|---|---|---|
Dec. 31, 2020 |
Dec. 31, 2019 |
|
| Balance, deferred costs of revenue | $ 453,607 | $ 294,115 |
| Deferred costs added - maintenance | 66,624 | 799,742 |
| Deferred costs expensed | (472,324) | (640,250) |
| Deferred costs added - deliverables | 41,161 | |
| Balance, deferred costs of revenue | $ 89,068 | $ 453,607 |
| X | ||||||||||
- Definition Amount of deferred costs of revenue as of the balance sheet date. No definition available.
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| X | ||||||||||
- Definition The amount of expense for deferred costs of revenue in the period. No definition available.
|
| X | ||||||||||
- Definition Represents increase (decrease) in deferred costs of revenue associated with contract deliverables. No definition available.
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| X | ||||||||||
- Definition Represents increase (decrease) in deferred costs of revenue associated with maintenance contracts. No definition available.
|