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Note P - Commitments (Details Textual)
1 Months Ended 12 Months Ended
Jan. 01, 2005
Aug. 31, 2019
USD ($)
Jul. 31, 2019
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Advances on Inventory Purchases       $ 414,202 $ 710,662
Operating Lease, Right-of-Use Asset       632,453 15,977
Operating Lease, Liability, Total       630,012 15,977
Operating Lease, Liability, Current       72,031 12,073
Operating Lease, Liability, Noncurrent       557,981
Operating Lease and Finance Lease, Liability, Current         15,977
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability       43,242  
Finance Lease, Liability, Total       36,403  
Finance Lease, Liability, Current       7,796 3,904
Finance Lease, Liability, Noncurrent       28,607
Additional Percentage of Director Compensation on Sales Value Using Certain Specify Technology 2.50%        
Additional Percentage of Director Compensation Sales Value Using Other Kind of Technology 5.00%        
Director of Clinical Affairs [Member]          
Royalty Expense       267,000 403,000
Professional Fees       156,000 156,000
Accounts Payable, Related Parties       $ 127,000 $ 390,000
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      
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      
Copiers Lease Agreement [Member]          
Lessee, Finance Lease, Term of Contract (Year)       5 years  
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability       $ 34,683  
Purchase Commitment for Devices [Member]          
Purchase Commitment Number Of Units     1,400    
Purchase Commitment, Remaining Minimum Amount Committed       147,224  
Advances on Inventory Purchases       100,090  
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       $ 55,000