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Summary of Significant Accounting Policies (Details Textual) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2018
Dec. 31, 2019
Summary of Significant Accounting Policies (Textual)            
Federal deposit insurance corporation limits $ 250,000   $ 250,000      
Property, plant and equipment, description     The facility we have constructed to produce the Nisin Drug Substance for Re-Tain™ is being depreciated over 39 years from when a certificate of occupancy was issued during the fourth quarter of 2017. We began depreciating the equipment for our Nisin Drug Substance facility when it was placed in service during the third quarter of 2018. Approximately 88% of these assets are being depreciated over ten years. We began depreciating the leasehold improvements to our new First Defense® production facility at 175 Industrial Way over the remainder of the ten-year lease term beginning when a certificate of occupancy was issued during the second quarter of 2020.      
Concentration risk percentage, description     Sales to significant customers that amounted to 10% or more of total product sales.      
U.S. government aggregated in excess of FDIC limits 0   $ 0     $ 5,792,993
Advertising expenses 5,960 $ 9,816 24,487 $ 40,623    
Stock-based compensation $ 56,634 $ 70,081 $ 134,038 $ 152,916    
Non-cash income tax expense to create a full valuation allowance against our net deferred tax assets         $ 563,252  
Outstanding stock options not included in the calculation because the effect would be anti-dilutive     420,500 379,000    
Weighted average number of shares outstanding 7,212,919 7,209,595 7,212,919 6,421,428