Note 3 - Property, Plant and Equipment - Summary of Property, Plant and Equipment (Details) - USD ($)	Jun. 30, 2020	Dec. 31, 2019
Property, plant and equipment, gross	$ 304,840,155	$ 241,687,206
Less: Accumulated Depreciation	(84,765,645)	(76,399,609)
Property, Plant and Equipment, Net, Ending Balance	220,074,510	165,287,597
Refrigeration Equipment [Member]
Property, plant and equipment, gross	106,012,579	97,568,137
Machinery and Equipment [Member]
Property, plant and equipment, gross	69,543,548	54,274,118
Land, Buildings and Improvements [Member]
Property, plant and equipment, gross	27,255,091	25,621,495
Furniture and Office Equipment [Member]
Property, plant and equipment, gross	4,946,145	4,931,703
Leasehold Improvements [Member]
Property, plant and equipment, gross	748,060	395,241
Automotive Equipment [Member]
Property, plant and equipment, gross	164,430	309,137
Construction in Progress [Member]
Property, plant and equipment, gross	$ 96,170,302	$ 58,587,375

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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