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Note 14 - Industry Segments - Schedule of Segment Reporting Information, by Segment (Details) - USD ($)
 3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Revenue $ 11,410,180 $ 9,110,725  
Segment gross profit 6,880,341 5,113,606  
Segment income (loss) from operations (1,179,972) (4,787,950)  
Capital expenditures 599,059 883,538  
Depreciation and amortization 1,783,331 3,691,835  
Accounts receivable, net 4,832,526   $ 4,190,543
Goodwill 115,306,852   106,272,501
Total assets 412,140,056   436,908,210
Unallocated [Member]      
Revenue 267,251  
Segment gross profit 191,828  
Segment income (loss) from operations (1,552,476) (1,669,188)  
Capital expenditures  
Depreciation and amortization  
Accounts receivable, net  
Goodwill 7,631,655  
Total assets 141,943,444   166,693,489
Operating Segments [Member] | GIG [Member]      
Revenue 3,927,163 2,330,335  
Segment gross profit 2,423,301 1,044,613  
Segment income (loss) from operations 300,386 (1,318,014)  
Capital expenditures 37,955  
Depreciation and amortization 141,946 316,062  
Accounts receivable, net 1,907,355   1,213,823
Goodwill 8,719,294   8,719,294
Total assets 45,296,828   45,956,410
Operating Segments [Member] | LMH [Member]      
Revenue 7,215,766 6,780,390  
Segment gross profit 4,265,212 4,068,993  
Segment income (loss) from operations 72,118 (1,800,748)  
Capital expenditures 599,059 845,583  
Depreciation and amortization 1,641,385 $ 3,375,773  
Accounts receivable, net 2,925,171   2,976,720
Goodwill 98,955,903   97,553,207
Total assets $ 224,899,784   $ 224,258,311