Property, Plant & Equipment (Details) - USD ($)	3 Months Ended
	Mar. 31, 2020	Dec. 31, 2019
Summary of property, plant and equipment
Land	$ 278,325	$ 278,325
Building and Improvements	9,563,406	9,563,406
Manufacturing and warehouse equipment	10,916,711	10,699,461
Office equipment and furniture	1,803,607	1,778,781
Leasehold improvements	577,068	577,068
Finance leases - right to use	45,951	45,951
Vehicles	10,020	10,020
Construction in process	363,051	142,612
Property, plant and equipment, gross	23,558,139	23,095,624
Less accumulated depreciation	(13,967,378)	(13,757,397)
Property, plant and equipment, net	$ 9,590,761	$ 9,338,227
Building and improvements [Member]
Summary of property, plant and equipment
Estimated Useful Life	30 years
Manufacturing and warehouse equipment [Member] | Minimum [Member]
Summary of property, plant and equipment
Estimated Useful Life	6 years
Manufacturing and warehouse equipment [Member] | Maximum [Member]
Summary of property, plant and equipment
Estimated Useful Life	20 years
Office equipment and furniture [Member] | Minimum [Member]
Summary of property, plant and equipment
Estimated Useful Life	3 years
Office equipment and furniture [Member] | Maximum [Member]
Summary of property, plant and equipment
Estimated Useful Life	5 years
Leasehold improvements [Member] | Minimum [Member]
Summary of property, plant and equipment
Estimated Useful Life	10 years
Leasehold improvements [Member] | Maximum [Member]
Summary of property, plant and equipment
Estimated Useful Life	15 years
Finance leases - right to use [Member]
Summary of property, plant and equipment
Estimated Useful Life	5 years
Vehicles [Member]
Summary of property, plant and equipment
Estimated Useful Life	3 years