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The components of the net deferred income tax asset as of December 31, 2020, 2019, and 2018 are as follows: (Details) - USD ($)	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Deferred Income Tax Assets:
Net operating losses	$ 195,008,131	$ 157,555,975	$ 126,419,113
Share based compensation	17,251,900	13,913,568	11,640,464
Interest expense limitation	12,991,716	5,389,129	1,173,614
Other, net	4,818,935	3,662,037	1,658,573
R&D credit	186,347	186,347	186,347
Total deferred income tax asset	230,257,029	180,707,056	141,078,111
Valuation allowance	(230,257,029)	(180,707,056)	(141,078,111)
Deferred income tax assets, net	$ 0	$ 0	$ 0

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- Definition

Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible interest carryforward.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32621-109319

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from in-process research and development costs expensed in connection with a business combination.

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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