The number of common stock options converted from common unit options during a noncash transaction during the period.

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The number of shares converted from each common unit.

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The fair value of expected forfeitures during the period related to restricted stock awards granted.

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The number of shares issued through conversion upon the reorganization of the reporting entity.

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Face amount or stated value per share of common stock.

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

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Number of common units issued of limited liability company (LLC).

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Number of common units of ownership outstanding of a limited liability company (LLC).

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No definition available.

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Unrecognized cost of unvested share-based compensation awards.

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Number of preferred units issued of limited liability company (LLC).

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Number of preferred units of ownership outstanding of a limited liability company (LLC).

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No definition available.

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Total change in each class of partners' capital accounts during the year due to unit-based compensation. All partners include general, limited and preferred partners.

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Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

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The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

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Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.

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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 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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The weighted average fair value at grant date for nonvested equity-based awards issued 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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Gross number of share options (or share units) granted during the period.

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No definition available.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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No definition available.

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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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Number of new stock issued during the period.

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Note 7 - Equity and Equity-based Compensation (Details Textual) - USD ($)				3 Months Ended
	Jun. 28, 2017	Feb. 08, 2017	Aug. 31, 2016	Sep. 30, 2017	Mar. 31, 2017	Dec. 31, 2016
Common Unit, Issued						8,000,000
Limited Liability Company (LLC) Preferred Unit, Issued						4,538,836
Common Stock, Shares Authorized				260,000,000		0
Common Stock, Par or Stated Value Per Share				$ 0.01
Preferred Stock, Shares Authorized				50,000,000		0
Preferred Stock, Par or Stated Value Per Share				$ 0.01
Common Stock, Shares, Issued				39,509,311
Preferred Stock, Shares Issued				0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross			333,334
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price			$ 15
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period			10 years
Noncash Transaction, Conversion of Common Unit Options, Number of Common Stock Options		937,424
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized					$ 2,144,333
Partners' Capital Account, Unit-based Compensation				$ 320,007
Common Unit, Outstanding						8,000,000
Limited Liability Company (LLC) Preferred Unit, Outstanding						4,538,836
Common Stock, Shares, Outstanding				39,509,311		0
Preferred Stock, Shares Outstanding				0		0
Restricted Stock [Member]
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized	$ 2,600,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period	446,735
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value	$ 5.82
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Forfeitures	$ 0
Executive 1 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross			166,667
Executive 2 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross			166,667
IPO [Member]
Sale of Stock, Conversion of Each Common Unit		2.81
Stock Issued During Period, Shares, New Issues		6,000,000
Common Stock, Par or Stated Value Per Share		$ 0.01
IPO [Member] \| Common Stock Sold by the Company [Member]
Stock Issued During Period, Shares, New Issues		3,800,000
IPO [Member] \| Conversion of Common Units Into Common Stock [Member]
Stock Issued During Period, Shares, Conversion Upon Reorganization		35,262,576