Property, Plant & Equipment (Details) - USD ($)	3 Months Ended
	Mar. 31, 2019	Dec. 31, 2018
Summary of property, plant and equipment
Land	$ 278,325	$ 278,325
Building and Improvements	9,565,791	9,548,922
Manufacturing and warehouse equipment	10,892,015	10,736,161
Office equipment and furniture	1,778,493	1,838,360
Leasehold improvements	577,068	577,068
Finance leases - right to use	45,951
Vehicles	10,020	10,020
Construction in process	181,284	80,682
Property, plant and equipment, gross	23,328,947	23,069,538
Less accumulated depreciation	(13,609,543)	(13,420,301)
Property, plant and equipment, net	$ 9,719,404	$ 9,649,237
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