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NOTE 5 — Bank Financing Arrangements (Details Narrative) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Jan. 29, 2021
Line of Credit Facility [Line Items]
Line of Credit Facility, Initiation Date			Jan. 29, 2021
Line of credit expiration date			Jan. 31, 2023
Repayments of Debt			$ 125,000	$ 250,000
Proceeds from borrowings under bank line of credit				4,630,000
Repayments of Bank Debt				5,592,449
Interest Expense	$ 51,428	$ 8,149	100,129	27,641
Domestic Line of Credit [Member]
Line of Credit Facility [Line Items]
Aggregate maximum advance amount					$ 3,000,000
Domestic Revolving Facility [Member]
Line of Credit Facility [Line Items]
Aggregate maximum advance amount					2,000,000
Term Loan [Member]
Line of Credit Facility [Line Items]
Aggregate maximum advance amount					$ 1,000,000
Repayments of Debt				250,000
Interest Expense	11,580	1,896	17,552	5,922
Interest Payable	$ 2,431		$ 2,431
Credit Line [Member]
Line of Credit Facility [Line Items]
Interest Expense		$ 3,783		$ 19,384