Debt (Tables)

12 Months Ended

Dec. 31, 2018

Debt

Summary of Debt

	December 31,
	2018			2017
Notes payable	$	1,800,000		$	--
Convertible notes payable		581,950			795,803
Test vehicle financing		56,231			42,444
Note payable - related party		12,897			7,490
Note payable - UPT minority owner		190,000			250,000
		2,641,078			1,095,737
Debt discount		(513,245	)		(339,416	)
		2,127,833			756,321
Less: current portion		2,091,014			659,312
Long-term portion	$	36,819		$	97,009

Notes payable warrants issued

	Number of Warrants			Weighted-average Exercise Price		Weighted-average Remaining Life (Years)		Aggregate Intrinsic Value
Outstanding, December 31, 2016		14,421,379		$	0.02		2.5	$	999,378
Granted		--			--		--		--
Forfeited or expired		--			--		--		--
Outstanding, December 31, 2017		14,421,379			0.02		1.5		725,950
Exercisable, December 31, 2017		14,421,379			0.02		1.5		725,950
Granted		14,400,000			0.05		--		--
Forfeited or expired		(750,000	)		0.16		--		--
Exercised		(13,603,662	)		0.02		--		--
Outstanding, December 31, 2018		14,467,717			0.05		4.6		1,564
Exercisable, December 31, 2018		14,467,717		$	0.05		4.6	$	1,564

Future contractual maturities of debt

Year ending December 31,
2019		2,091,014
2020		6,656
2021		7,358
2022		8,134
2023		8,992
2024		5,679
	$	2,127,833