v3.20.1

Summary of Business and Significant Accounting Principles (Tables)

12 Months Ended

Dec. 31, 2019

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of estimated useful lives of property, plant and equipment

Depreciation is calculated using the straight-line method, based upon the following estimated useful lives:

Buildings			15 - 39 years
Software			3 - 6 years
Equipment			5 years
Vehicles and prototypes			3 - 5 years

Schedule of Warranty Accrual

Activity for the Company's warranty accrual is as follows:

			December 31,
			2019						2018
Balance at beginning of year			$	7,058,769					$	142,560
Accrual for warranty			92,191						7,981,413
Warranty costs incurred			(1,149,096)						(1,065,204)
Balance at end of year			$	6,001,864					$	7,058,769

Schedule of Earnings Per Share, Basic and Diluted

The following table shows the computation of basic and diluted earnings per share:

						Years Ended December 31,
						2019						2018
Net loss						$	(37,162,827)					$	(36,502,316)
Deemed dividends						86,207						765,179
Net loss attributable to common stockholders						$	(37,249,034)					$	(37,267,495)
Basic weighted average shares outstanding						64,314,756						50,377,909
Dilutive effect of options and warrants						—						—
Dilutive effect of Convertible Note						—						—
Diluted weighted average shares outstanding						64,314,756						50,377,909
Anti-dilutive options and warrants excluded from diluted average shares outstanding						36,021,502						21,686,465

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Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.

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Tabular disclosure of the changes in the guarantor's aggregate product warranty liability, including the beginning balance of the aggregate product warranty liability, the aggregate reductions in that liability for payments made (in cash or in kind) under the warranty, the aggregate changes in the liability for accruals related to product warranties issued during the reporting period, the aggregate changes in the liability for accruals related to preexisting warranties (including adjustments related to changes in estimates), and the ending balance of the aggregate product warranty liability.

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