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Note 14 - Industry Segments - Schedule of Segment Reporting Information, by Segment (Details) - USD ($)
 3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Revenue $ 13,205,019 $ 11,410,180  
Segment gross profit 8,457,849 6,880,341  
Segment income (loss) from operations (1,485,778) (1,179,972)  
Capital expenditures 8,726,766 12,940,301  
Depreciation and amortization 2,311,976 1,783,331  
Accounts receivable, net 3,599,835   $ 4,041,563
Goodwill 127,064,878   124,446,446
Total assets 750,104,244   640,707,426
Segment Reconciling Items [Member]      
Revenue 0 267,251  
Segment gross profit 0 191,828  
Segment income (loss) from operations (1,581,766) (1,552,476)  
Capital expenditures 123,059 12,341,242  
Depreciation and amortization 14,815 0  
Accounts receivable, net 6,900   0
Goodwill 0   0
Total assets 400,602,871   318,067,382
GIG [Member] | Operating Segments [Member]      
Revenue 2,256,297 3,927,163  
Segment gross profit 1,127,087 2,423,301  
Segment income (loss) from operations (787,487) 300,386  
Capital expenditures 0 0  
Depreciation and amortization 40,378 141,946  
Accounts receivable, net 924,966   1,160,424
Goodwill 8,719,294   8,719,294
Total assets 56,258,429   54,536,523
LMH [Member] | Operating Segments [Member]      
Revenue 7,153,685 7,215,766  
Segment gross profit 4,291,938 4,265,212  
Segment income (loss) from operations 106,049 72,118  
Capital expenditures 6,563,517 599,059  
Depreciation and amortization 1,697,028 1,641,385  
Accounts receivable, net 2,483,411   2,633,711
Goodwill 100,191,426   97,572,994
Total assets 225,518,495   219,607,150
FIF [Member] | Operating Segments [Member]      
Revenue 3,795,037 0  
Segment gross profit 3,038,824 0  
Segment income (loss) from operations 777,426 0  
Capital expenditures 2,040,190  
Depreciation and amortization 559,755 $ 0  
Accounts receivable, net 184,558   247,428
Goodwill 18,154,158   18,154,158
Total assets $ 67,724,449   $ 48,496,371