Offering period.

No definition available.

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- Definition

Period of termination of stock options vested after termination date.

+ References

No definition available.

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- Definition

Unamortized fair value expense in stock purchase transaction.

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No definition available.

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- Definition

Weighted Average Amortization Period

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No definition available.

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- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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- Definition

Aggregate number of common shares reserved for future issuance.

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- Definition

Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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- Definition

Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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- Definition

Aggregate carrying value as of the balance sheet date of the liabilities for stock option plans and other equity-based compensation arrangements.

+ References

No definition available.

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- Definition

Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Discount rate from fair value on offering date that participants pay for shares.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

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- Definition

Number of options outstanding, including both vested and non-vested options.

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- Definition

Maximum number of shares that may be issued in accordance with the plan as a proportion of outstanding capital stock.

+ References

No definition available.

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- Definition

Number of increase (decrease) of non-vested options.

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No definition available.

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- Definition

Total number of shares issued during the period, including shares forfeited, as a result of Restricted Stock Awards.

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Stock Based compensation - Additional Information (Detail) - USD ($)			1 Months Ended		3 Months Ended		12 Months Ended
	Jan. 01, 2019	Jul. 10, 2018	Mar. 31, 2017	Mar. 31, 2014	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options outstanding (in shares)					2,190,360				1,635,790
Common stock, shares outstanding (in shares)					11,422,161				11,422,161
Unamortized stock-based compensation expense					$ 1,343,624
Amortized weighted average period					3 years 3 months 18 days
Common stock, shares issued (in shares)					11,422,161				11,422,161
Private Dare [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock, shares issued (in shares)					3,140,000
Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options outstanding (in shares)		2,000,000
Stock-based compensation expense					$ 97,968	$ 9,124
Options to purchase number of outstanding shares of common stock (in shares)	2,503,771	2,046,885			2,190,360
Annual percentage increase in outstanding number of common stock	4.00%	4.00%
Increase in number of shares authorized (in shares)	456,886
Exercise period for stock options after termination date			2 years
Unamortized fair value expense			$ 3,700,000
Common stock reserved for future issuance (in shares)					323,560
2015 Stock Incentive Plan [Member] \| Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options outstanding (in shares)					10,149
2015 Stock Incentive Plan [Member] \| Employee Stock Option [Member] \| Private Dare [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options grant period					10 years
Stock options vesting period					3 years
Stock options outstanding (in shares)					50,000				10,149
2015 Stock Incentive Plan [Member] \| Restricted Stock [Member] \| Private Dare [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued to non-employees (in shares)							200,000	900,000
Common stock, shares outstanding (in shares)					223,295
2014 Employee Stock Purchase Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Offering period				6 months
Purchase price as percentage of stock price on offering period				85.00%
Stock-based compensation expense					$ 0	$ 0