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- Definition

Proceeds From Issuance Of Common Stock After Underwriting Discounts Commissions And Other Expenses

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Proceeds From Issuance Of Common Stock Before Underwriting Discounts Commissions And Other Expenses

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- Definition

Share based compensation arrangement by share based payment award equity instruments other than options grants in period fair value.

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- Definition

Share based compensation arrangement by share based payment award options granted in period fair value.

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- Definition

Share based compensation arrangements by share based payment award term of options granted.

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- Definition

Represents The Stock Options Granted To Underwriters Number Of Shares In Grant After Underwriter Expenses

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Represents the Stock Options Granted To Underwriters Vesting Period.

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- Definition

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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Aggregate number of common shares reserved for future issuance.

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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Unrecognized cost of unvested share-based compensation awards.

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- Definition

Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.

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The cash inflow from the additional capital contribution to the entity.

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- Definition

The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

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Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

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- Definition

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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Description of award terms as to how many shares or portion of an award are no longer contingent on satisfaction of either a service condition, market condition or a performance condition, thereby giving the employee the legal right to convert the award to shares, to sell the shares, and be entitled to the cash proceeds of such sale. For example, vesting may be expressed as being 25 percent of the shares under option on each anniversary of the grant date.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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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.

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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Number of shares issued during the period as a result of the conversion of convertible securities.

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Number of new stock issued during the period.

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Stockholders' Equity - Additional information (Detail) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended		6 Months Ended
	Apr. 15, 2019	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Jul. 25, 2019	Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost related to non-vested share-based compensation awards granted		$ 7,900		$ 7,900
Unrecognized compensation cost related to non-vested share-based compensation awards granted year				2022
Stock option exercisable		1,992,349		1,992,349
Conversion of Series A preferred stock			47,894,000
Antidilutive shares excluded from the computation of diluted earnings per common share		18,131,489	23,849,633	17,528,530	17,334,492
Proceeds from issuance common stock before underwriters discounts and commissions and offering expenses	$ 50,000
Proceeds from issuance common stock net of underwriters discounts and commissions and offering expenses	47,600
Gross proceeds to selling stockholder from public offering	$ 19,000			$ 48,000
Stock options granted to underwriters vesting period	30 days
Common Stock, shares authorized		125,000,000		125,000,000			125,000,000
Stock issued during period, shares, new issues	12,000,000
Sale of stock, price per share	$ 5.00
Sale of stock, number of shares issued in transaction	10,000,000
Subsequent Event [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common Stock, shares authorized						175,000,000
Common stock, capital shares reserved for future issuance						14,000,000
IPO [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options granted to underwriters number of shares in grant after underwriter expenses	1,800,000
2011 Equity Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of equity instruments awarded in period				492,198
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of equity instruments awarded in period				360,250
Vesting period of shares				3 years
Fair market value of RSUs granted				$ 1,600
Series B Preferred Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Conversion of Series A preferred stock		(684)		(1,384)	5,000
Series A preferred shares outstanding		1,716		1,716
Series A Preferred Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Conversion of Series A preferred stock				0
Series A preferred shares outstanding		2,093,155		2,093,155
Stock issued during period, shares, new issues				0
Common Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Conversion of Series A preferred stock		3,800,000		7,688,888
Board of Directors and Employee [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of equity instruments awarded in period				2,134,956
Fair market value of shares granted				$ 9,000
Term of options granted period				10 years
Employees [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period of shares				3 years
Employees [Member] \| Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of equity instruments awarded in period				47,000
Board of Director [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period of shares, Description				Board of Directors vest ratably through 2022