XML 40 R29.htm IDEA: XBRL DOCUMENT v3.21.1
Property, Plant & Equipment (Details) - USD ($)
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Property, Plant and Equipment [Abstract]    
Project involving the expansion of manufacturing, warehouse and distribution facilities, description Kinpak has completed the construction of, and placed into service, an approximately 85,000 square foot addition to the facilities and an expansion of a tank farm to accommodate an additional 500,000 gallons of tank capacity. The final phase of the Expansion Project entails the evaluation, purchase and installation of additional equipment.  
Industrial development bond $ 4,500,000  
Restricted cash 318,000  
Depreciation expense 281,529 $ 254,308
Depreciation included in cost of goods sold 257,140 230,966
Selling and administrative expenses $ 24,389 $ 23,342