Note J - Investment in Debt Security	12 Months Ended
Dec. 31, 2021
Notes to Financial Statements
Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]	NOTE J—INVESTMENT IN DEBT SECURITY During 2019, the Company purchased a 4,000,000 Hong Kong dollar denominated Bond Certificate with a financial institution in Hong Kong. The Bond Certificate translated to $512,821 U.S. Dollars on the June 2019 purchase date. The bond had a one-year term which matured in June 2020, bearing interest at 5% per annum. The Company redeemed the bond and recorded interest income of approximately $25,800. The Company then purchased a new 4,000,000 Hong Kong dollar denominated Bond Certificate with a financial institution in Hong Kong in June 2020. The new Bond Certificate translated to $512,821 U.S. Dollars, based on the exchange rate at the purchase date. The Company can invest up to 20,000,000 Hong Kong dollars under the terms of the certificate, bearing interest at 5% per annum. The investment is recorded at amortized cost which approximates fair value was held to maturity. The Company has yet to receive the proceeds and accrued interest from the investment. The Company has sent a legal letter of demand to confirm the status of the bond, and as such, the debt security was classified as noncurrent. In addition, due to the delay in the receipt of the proceeds, the Company recorded a $60,000 reserve.

Note J - Investment in Debt Security

12 Months Ended

Dec. 31, 2021

Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]

NOTE J—INVESTMENT IN DEBT SECURITY

During 2019, the Company purchased a 4,000,000 Hong Kong dollar denominated Bond Certificate with a financial institution in Hong Kong. The Bond Certificate translated to $512,821 U.S. Dollars on the June 2019 purchase date. The bond had a one-year term which matured in June 2020, bearing interest at 5% per annum. The Company redeemed the bond and recorded interest income of approximately $25,800.

The Company then purchased a new 4,000,000 Hong Kong dollar denominated Bond Certificate with a financial institution in Hong Kong in June 2020. The new Bond Certificate translated to $512,821 U.S. Dollars, based on the exchange rate at the purchase date. The Company can invest up to 20,000,000 Hong Kong dollars under the terms of the certificate, bearing interest at 5% per annum. The investment is recorded at amortized cost which approximates fair value was held to maturity. The Company has yet to receive the proceeds and accrued interest from the investment. The Company has sent a legal letter of demand to confirm the status of the bond, and as such, the debt security was classified as noncurrent. In addition, due to the delay in the receipt of the proceeds, the Company recorded a $60,000 reserve.