Note 5 - Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

Property, Plant and Equipment [Table Text Block]

	December 31,						Estimated
	2019			2018			Useful Life (years)
Aircraft	$	56,000		$	56,000		7	–	12
Vehicles		396,483			467,972		5	–	10
Office furniture and equipment		452,520			409,260		3	–	7
Tools and shop equipment		81,847			81,847		3	–	10
Leasehold improvements		2,812,594			2,803,724		10	–	20
Building/fuel farm		200,000			200,000		7	–	17
Total		3,999,804			4,018,803
Less: accumulated depreciation and amortization		(3,676,488	)		(3,630,731	)
Property and equipment, net	$	323,316		$	388,072