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Note C - PistolStar, Inc. Acquisition (Details Textual) |  |  | 6 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Jan. 21, 2021 USD ($) | Jun. 30, 2020 USD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($)
Repayments of Notes Payable |  |  |  | $ 250,000 |
PistolStar [Member] |  |  |  |  |
Business Combination, Consideration Transferred, Total |  | $ 2,464,000 |  |  |
Payments to Acquire Businesses, Net of Cash Acquired, Total |  | 2,000,000 |  |  |
Business Combination, Consideration Transferred, Liabilities Incurred |  | $ 464,000 |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  | 4.00% |  |  |
Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual |  |  | $ 202,558 |  |
PistolStar [Member] | Promissory Note [Member] |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  | 4.00% |  |  |
Debt Instrument, Number of Installments |  | 4 |  |  |
Debt Instrument, Term (Month) |  | 1 year |  |  |
Notes Payable, Total |  |  | $ 232,000 | $ 232,000 |
PistolStar [Member] | Promissory Note [Member] | Subsequent Event [Member] |  |  |  |  |
Repayments of Notes Payable | $ 250,000 |  |  |  |

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