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Note 14 - Industry Segments - Schedule of Segment Reporting Information, by Segment (Details) - USD ($) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019 | Dec. 31, 2019
Revenue | $ 11,606,836 | $ 10,822,808 | $ 34,509,580 | $ 30,073,094 |
Segment gross profit | 6,938,612 | 5,939,808 | 20,291,011 | 16,997,102 |
Segment income (loss) from operations | (720,623) | (3,789,099) | (2,765,904) | (11,779,688) |
Capital expenditures | 2,165,515 | 8,416,893 | 20,172,669 | 9,851,833 |
Depreciation and amortization | 2,010,477 | 4,120,022 | 5,757,017 | 11,529,551 |
Accounts receivable, net | 3,585,966 |  | 3,585,966 |  | $ 4,190,543
Goodwill | 113,416,446 |  | 113,416,446 |  | 106,272,501
Total assets | 479,905,013 |  | 479,905,013 |  | 436,908,210
Unallocated [Member] |  |  |  |  |
Revenue | 0 | 0 | 0 | 0 |
Segment gross profit | 0 | 0 | 0 | 0 |
Segment income (loss) from operations | (970,227) | (914,642) | (3,481,620) | (3,534,377) |
Capital expenditures | 160,215 | 0 | 160,215 | 0 |
Depreciation and amortization | 0 | 0 | 0 | 0 |
Accounts receivable, net | 0 |  | 0 |  | 0
Goodwill | 0 |  | 0 |  | 0
Total assets | 191,986,063 |  | 191,986,063 |  | 166,693,489
Operating Segments [Member] | GIG [Member] |  |  |  |  |
Revenue | 3,340,536 | 3,639,924 | 10,942,149 | 8,959,828 |
Segment gross profit | 1,582,085 | 1,614,604 | 5,574,918 | 4,217,803 |
Segment income (loss) from operations | (100,811) | (595,974) | 14,841 | (2,652,352) |
Capital expenditures | 0 | 5,943 | 0 | 43,704 |
Depreciation and amortization | 129,497 | 285,625 | 413,693 | 896,935 |
Accounts receivable, net | 1,027,009 |  | 1,027,009 |  | 1,213,823
Goodwill | 8,719,294 |  | 8,719,294 |  | 8,719,294
Total assets | 49,885,595 |  | 49,885,595 |  | 45,956,410
Operating Segments [Member] | LMH [Member] |  |  |  |  |
Revenue | 7,121,957 | 7,182,884 | 20,991,755 | 21,113,266 |
Segment gross profit | 4,341,598 | 4,325,204 | 12,519,490 | 12,779,299 |
Segment income (loss) from operations | 323,815 | (2,278,483) | 277,440 | (5,592,959) |
Capital expenditures | 604,990 | 8,410,950 | 3,760,171 | 9,808,129 |
Depreciation and amortization | 1,671,045 | 3,834,397 | 4,960,939 | 10,632,616 |
Accounts receivable, net | 2,558,957 |  | 2,558,957 |  | 2,976,720
Goodwill | 97,572,994 |  | 97,572,994 |  | 97,553,207
Total assets | 220,449,123 |  | 220,449,123 |  | 224,258,311
Operating Segments [Member] | FIF AireBeam LLC [Member] |  |  |  |  |
Revenue | 1,144,343 | 0 | 2,575,676 | 0 |
Segment gross profit | 1,014,929 | 0 | 2,196,603 | 0 |
Segment income (loss) from operations | 26,600 | 0 | 423,435 | 0 |
Capital expenditures | 1,400,310 | 0 | 16,252,283 | 0 |
Depreciation and amortization | 209,935 | $ 0 | 382,385 | $ 0 |
Accounts receivable, net | 0 |  | 0 |  | 0
Goodwill | 7,124,158 |  | 7,124,158 |  | 0
Total assets | $ 17,584,232 |  | $ 17,584,232 |  | $ 0

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