Note P - Commitments (Details Textual)	1 Months Ended	12 Months Ended
	Aug. 31, 2019 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Advances on Inventory Purchases		$ 1,309,260	$ 414,202
Lease, Right-of-Use Asset		550,511
Lease, Liability		577,981
Lease, Liability, Current		81,001
Lease, Liability, Noncurrent		476,980
Finance Lease, Liability, Total		28,607	36,403
Finance Lease, Liability, Current		8,545	7,796
Finance Lease, Liability, Noncurrent		20,062	28,607
Operating Lease, Right-of-Use Asset		550,511	632,453
Operating Lease, Liability, Total		586,589	630,012
Operating Lease, Liability, Current		81,001	72,031
Operating Lease, Liability, Noncurrent		$ 476,980	$ 557,981
Office Lease for Headquarter in Livingston, New Jersey [Member]
Lessee, Operating Lease, Term of Contract (Year)	7 years
Lessee, Operating Lease, Electric Charge Per Square Foot	$ 2.00
Lessee, Operating Lease, Electric Payments, Annually	11,130
Office Lease for Headquarter in Livingston, New Jersey [Member] | Minimum [Member]
Operating Leases, Monthly Rent Expense	9,275
Office Lease for Headquarter in Livingston, New Jersey [Member] | Maximum [Member]
Operating Leases, Monthly Rent Expense	$ 10,898
Purchase Commitment for Devices [Member]
Purchase Commitment Number Of Units		3,300	147,000
Purchase Commitment, Remaining Minimum Amount Committed		$ 2,600,000
Advances on Inventory Purchases		1,300,000	$ 100,000
Purchase Commitment for Devices Begining in 2020 [Member]
Purchase Commitment, Remaining Minimum Amount Committed			607,735
Advances on Inventory Purchases			259,435
Purchase Commitment For Devices Beginning In 2021 [Member]
Advances on Inventory Purchases		$ 34,000	$ 55,000