Note P - Commitments (Details Textual)	1 Months Ended	12 Months Ended
	Aug. 31, 2019 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Jan. 08, 2021
Advances on Inventory Purchases		$ 1,325,301	$ 1,309,260
Finance Lease, Right-of-Use Asset, after Accumulated Amortization, Total		17,645	26,294
Finance Lease, Liability, Total		20,063	28,607
Finance Lease, Liability, Current		9,365	8,545
Finance Lease, Liability, Noncurrent		10,698	20,062
Operating Lease, Right-of-Use Asset		443,685	524,217
Operating Lease, Liability, Total		476,980	557,981
Operating Lease, Liability, Current		91,701	81,001
Operating Lease, Liability, Noncurrent		$ 385,279	476,980
Office Lease for Headquarter in Roseland, 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 Roseland, New Jersey [Member] | Minimum [Member]
Operating Leases, Monthly Rent Expense	9,275
Office Lease for Headquarter in Roseland, New Jersey [Member] | Maximum [Member]
Operating Leases, Monthly Rent Expense	$ 10,898
Purchase Commitment for Devices [Member]
Purchase Commitment Number Of Units		2,040
Purchase Commitment, Remaining Minimum Amount Committed		$ 1,700,000	2,600,000
Advances on Inventory Purchases		1,200,000	1,300,000
Purchase Commitment For Devices Beginning In 2021 [Member]
Advances on Inventory Purchases		$ 76,000	$ 34,000