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Contingent Liabilities and Commitments (Details) - USD ($)
 9 Months Ended 12 Months Ended
Sep. 30, 2019
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2018
Contingent Liabilities and Commitments (Textual)          
Purchase of inventory $ 662,000        
Other obligations 185,000        
Milestone payment   $ 150,000      
Capital expenditures committed 108,000        
Royalty, percentage     4.00%    
Growth assumption, percentage       6.00%  
Royalties due for 2017         $ 5,000
Royalties due for 2018         10,000
Royalties due for 2019         15,000
Royalties due for 2020         20,000
Royalties due for 2021 (and thereafter)         25,000
Royalties $ 11,250       $ 10,396
Lease, description We entered into a lease covering approximately 14,300 square feet of office and warehouse space with a commencement date of November 15, 2019. The lease term is ten years with a right to renew for a second ten-year term and a right of first offer to purchase. The total lease liability over the initial ten-year term (including inflationary adjustments) aggregates approximately $1.3 million before real estate and personal property taxes, utilities, insurance, maintenance and related building and operating expenses.