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Note 5 - Property, Plant and Equipment | 12 Months Ended
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Dec. 31, 2020
Notes to Financial Statements |
Property, Plant and Equipment Disclosure [Text Block] | Note 5 – Property, Plant and Equipment Major classes of property, plant and equipment consist of the following:
|  | 2020 |  |  | 2019 |
Land |  | $ | 6,929,000 |  |  | $ | 6,929,000 |
Buildings |  |  | 15,917,000 |  |  |  | 15,917,000 |
Building improvements |  |  | 8,141,791 |  |  |  | 7,864,757 |
Machinery and equipment |  |  | 3,340,005 |  |  |  | 3,592,351 |
Furniture and fixtures |  |  | 613,765 |  |  |  | 613,765 |
Computer equipment |  |  | 493,349 |  |  |  | 487,902 |
Software |  |  | 435,593 |  |  |  | 438,391 |
Transportation equipment |  |  | 114,511 |  |  |  | 114,511 |
Lab equipment |  |  | 1,992,179 |  |  |  | 1,985,179 |
Construction in Progress |  |  | 93,936 |  |  |  | 2,110,875 |
Totals at cost |  | $ | 38,071,129 |  |  | $ | 40,053,731 |
Less: Accumulated depreciation and amortization |  |  | (9,227,566 | ) |  |  | (7,951,396 | )
Property, plant and equipment, net |  | $ | 28,843,563 |  |  | $ | 32,102,335 |
Depreciation and amortization expense (1) |  | $ | 1,389,145 |  |  | $ | 1,042,829 |
( 1 ) Includes amortization expense of $124,550 and $120,488 for the year ending December 31, 2020 and the year ended December 31, 2019, respectively. Such amortization expense relates to other capitalized and intangibles assets.

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- Definition The entire disclosure for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=120429125&loc=d3e99893-112916 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -URI http://asc.fasb.org/topic&trid=2155823 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=120429125&loc=SL120174063-112916 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=120429125&loc=d3e99779-112916 + Details
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