Note 10 - Acquisitions (Tables)

9 Months Ended

Sep. 30, 2018

Air Enterprises [Member]

Notes Tables

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]

Accounts Receivable	$	4,761,368
Inventory		594,503
Costs in excess of billings and estimated costs		3,980,824
Fixed Assets		2,112,120
Prepaid and Other Assets		53,110
Intangibles Assets		1,230,000
Goodwill		631,392
Total Assets Acquired	$	13,363,317
Accounts Payable	$	1,726,618
Billings in Excess of costs and earnings		594,545
Accrued Payroll and related expenses		325,950
Accrued Expense		424,671
Lease Payable		41,533
Total Liabilities Assumed	$	3,113,317
Net Assets Acquired	$	10,250,000

CAD Enterprises, Inc. [Member]

Notes Tables

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]

Cash	$	790,417
Accounts Receivable		2,221,635
Inventory		2,098,732
Fixed Assets		11,030,000
Prepaid and Other Assets		70,467
Intangibles Assets		3,000,000
Goodwill		4,770,133
Total Assets Acquired	$	23,981,384
Accounts Payable	$	1,843,882
Accrued Payroll and related expenses		132,071
Accrued Expense		518,816
Deferred Income Taxes		486,615
Total Liabilities Assumed	$	2,981,384
Net Assets Acquired	$	21,000,000