Quarterly report pursuant to Section 13 or 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Stock Options (Details Narrative)

v3.20.1

Stock Options (Details Narrative) - USD ($)		1 Months Ended	3 Months Ended		12 Months Ended
Stock Options (Details Narrative) - USD ($)	Jan. 02, 2020	Apr. 30, 2014	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2018	Jan. 02, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense			$ 3,137,519	$ 3,088,939
Option granted expected term			6 years 2 months 30 days
Total fair value of options vested			$ 20,977,274
Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average grant-date fair value, options granted			$ 3.20	$ 5.40
Average intrinsic value of options exercised			$ 936,115	$ 216,306
Total fair value of options vested			28,661,461	$ 17,136,030
Total unrecognized compensation expense			$ 28,013,124
2014 Equity Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock option vesting term		4 years
Stock option expiration period		10 years
Percentage of outstanding common shares		7.00%			7.00%
Increase in number of shares of common stock available for issuance					3,000,000
2014 Equity Incentive Plan [Member] \| Evergreen Provision [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of outstanding common shares	7.00%
Increase in number of shares of common stock available for issuance	4,527,103
Aggregate common stock available for stock options granted, shares	23,070,842
Shares available for grant			5,621,910
2014 Equity Incentive Plan [Member] \| Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate common stock available for stock options granted, shares						18,543,739
Shares available for grant				5,712,719		8,072,241

- Definition

Aggregate number of common shares reserved for future issuance.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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