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Inventories | 12 Months Ended
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Dec. 31, 2020
Inventory, Net [Abstract] |
Inventories [Text Block] | 6. Inventories The components of inventories were as follows:
| December 31, 2020 |  | December 31, 2019
Raw materials | $ | 497,604 |  |  | $ | 467,912 |
Work in progress | 152,360 |  |  | 162,670 |
Finished goods | 304,760 |  |  | 280,051 |
Subtotal | 954,724 |  |  | 910,633 |
Less reserves | (118,920) |  |  | (104,492) |
Total | $ | 835,804 |  |  | $ | 806,141 |
At December 31, 2020 and 2019, approximately 4% and 8%, respectively, of the Company's total inventories were accounted for using the LIFO method.

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- Definition The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -URI http://asc.fasb.org/topic&trid=2126998 + Details
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