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Note 15 - Segment Reporting | 12 Months Ended
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Dec. 31, 2020
Notes to Financial Statements |
Segment Reporting Disclosure [Text Block] | 15. SEGMENT REPORTING The Company is organized into reporting segments based on the nature of the products offered and business activities from which it earns revenues and incurs expenses for which discrete financial information is available and regularly reviewed by the Company's chief operating decision maker. The Company's segments and their product offerings are summarized below: Heavy Fabrications The Company provides large, complex and precision fabrications to customers in a broad range of industrial markets. The Company's most significant presence is within the U.S. wind energy industry, although it has diversified into other industrial markets in order to improve capacity utilization, reduce customer concentrations, and reduce exposure to uncertainty related to governmental policies currently impacting the U.S. wind energy industry. Within the U.S. wind energy industry, the Company provides steel towers and adapters primarily to wind turbine manufacturers. Production facilities, located in Manitowoc, Wisconsin and Abilene, Texas, are situated in close proximity to the primary U.S. domestic wind energy and equipment manufacturing hubs. The two facilities have a combined annual tower production capacity of up to approximately 550 tower towers ( 1650 tower sections), sufficient to support turbines generating more than 1,100 MW of power. The Company has expanded production capabilities and leveraged manufacturing competencies, including welding, lifting capacity and stringent quality practices, into aftermarket and OEM components utilized in surface and underground mining, construction, material handling, O&G and other infrastructure markets. Gearing The Company provides gearing and gearboxes to a broad set of customers in diverse markets including; onshore and offshore O&G fracking and drilling, surface and underground mining, wind energy, steel, material handling and other infrastructure markets. The Company has manufactured loose gearing, gearboxes and systems, and provided heat treat services for aftermarket and OEM applications for nearly a century. The Company uses an integrated manufacturing process, which includes machining and finishing processes in Cicero, Illinois, and heat treatment in Neville Island, Pennsylvania. Industrial Solutions The Company provides supply chain solutions, inventory management, kitting and assembly services, primarily serving the combined cycle natural gas turbine market. Corporate and Other “Corporate” includes the assets and SG&A expenses of the Company's corporate office. “Eliminations” comprises adjustments to reconcile segment results to consolidated results. The accounting policies of the reportable segments are the same as those referenced in Note 1, “Description of Business and Summary of Significant Accounting Policies” of these consolidated financial statements. Summary financial information by reportable segment is as follows:
|  | Heavy Fabrications |  |  | Gearing |  |  | Industrial Solutions |  |  | Corporate |  |  | Eliminations |  |  | Consolidated |
For the Year Ended December 31, 2020 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues from external customers |  | $ | 155,096 |  |  |  | 25,104 |  |  |  | 18,296 |  |  |  | — |  |  |  | — |  |  | $ | 198,496 |
Intersegment revenues |  |  | 102 |  |  |  | 32 |  |  |  | 3 |  |  |  | — |  |  |  | (137 | ) |  |  | — |
Net revenues |  |  | 155,198 |  |  |  | 25,136 |  |  |  | 18,299 |  |  |  | — |  |  |  | (137 | ) |  |  | 198,496 |
Operating profit (loss) |  |  | 10,385 |  |  |  | (3,883 | ) |  |  | 881 |  |  |  | (6,953 | ) |  |  | (8 | ) |  |  | 422 |
Depreciation and amortization |  |  | 3,736 |  |  |  | 1,961 |  |  |  | 430 |  |  |  | 152 |  |  |  | — |  |  |  | 6,279 |
Capital expenditures |  |  | 1,049 |  |  |  | 283 |  |  |  | 159 |  |  |  | 56 |  |  |  | — |  |  |  | 1,547 |
Total assets |  |  | 40,438 |  |  |  | 43,319 |  |  |  | 10,244 |  |  |  | 220,428 |  |  |  | (194,747 | ) |  |  | 119,682 |
|  | Heavy Fabrications |  |  | Gearing |  |  | Industrial Solutions |  |  | Corporate |  |  | Eliminations |  |  | Consolidated |
For the Year Ended December 31, 2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues from external customers |  | $ | 128,686 |  |  | $ | 34,877 |  |  | $ | 14,657 |  |  | $ | — |  |  | $ | — |  |  | $ | 178,220 |
Intersegment revenues |  |  | — |  |  |  | — |  |  |  | 7 |  |  |  | — |  |  |  | (7 | ) |  |  | — |
Net revenues |  |  | 128,686 |  |  |  | 34,877 |  |  |  | 14,664 |  |  |  | — |  |  |  | (7 | ) |  |  | 178,220 |
Operating profit (loss) |  |  | 1,861 |  |  |  | 3,237 |  |  |  | (1,059 | ) |  |  | (6,396 | ) |  |  | — |  |  |  | (2,357 | )
Depreciation and amortization |  |  | 3,976 |  |  |  | 1,981 |  |  |  | 1,362 |  |  |  | 178 |  |  |  | — |  |  |  | 7,497 |
Capital expenditures |  |  | 992 |  |  |  | 769 |  |  |  | 52 |  |  |  | 31 |  |  |  | — |  |  |  | 1,844 |
Total assets |  |  | 41,432 |  |  |  | 47,022 |  |  |  | 8,893 |  |  |  | 239,629 |  |  |  | (214,110 | ) |  |  | 122,866 |
The Company generates revenues entirely from transactions completed in the U.S. and its long-lived assets are all located in the U.S. All intercompany revenue is eliminated in consolidation. During 2020 , one customer accounted for more than 10% of total net revenues and had an accounts receivable balance greater than 10% of current assets. This customer, reported within the Heavy Fabrications segment, accounted for revenues of $105,366 and account receivables of $6,118 for fiscal year 2020 . Additionally, another customer, in the Heavy Fabrications segment, accounted for more than 10% of total net revenues. This customer had revenues of $25,237 during fiscal year 2020. During 2019 , one customer accounted for more than 10% of total net revenues and had an accounts receivable balance greater than 10% of current assets. This customer, reported within the Heavy Fabrications segment, accounted for revenues of $110,693 and accounts receivables of $8,428 for fiscal year 2019 . During the years ended December 31, 2020 and 2019 , five customers accounted for 78% and 79%, respectively, of total net revenues.

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- Definition The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 31 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8924-108599 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8981-108599 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8721-108599 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9031-108599 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 26 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8844-108599 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9038-108599 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 42 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9054-108599 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8657-108599 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8721-108599 Reference 14: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -URI http://asc.fasb.org/topic&trid=2134510 + Details
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