Number of shares restricted under share based plan.

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Repurchase of common stock price per share.

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Share based compensation arrangement by share based payment award number of options to be granted.

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Stock issued during period shares stock options restricted.

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Stock Repurchased During Period Tender Offers Shares

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Stock repurchased during period value excluding fees and expenses.

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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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Unrecognized cost of unvested options awarded to employees as compensation.

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General descriptive information regarding an arrangement under which employees and directors receive: (a) awards of equity shares, equity share options, or other equity instruments; or (b) the entity incurs liabilities to them: (1) in amounts based, at least in part, on the price of the entity's shares or other equity instruments; or (2) that require or may require settlement by issuance of the entity's shares. Such an arrangement is usually provided to employees and directors to compensate them, provide performance incentives to them, and to attract or retain their services. May also include pertinent information particular to a plan that is not elsewhere specified in the taxonomy.

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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 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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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Gross number of share options (or share units) granted during the period.

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

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Description of pertinent provisions of equity-based compensation awards that have actual or potential impact upon the company's financial statements.

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Price of a single share of a number of saleable stocks of a company.

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No definition available.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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Number of share options (or share units) exercised during the current period.

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Expiration date for the purchase of an entity's own shares under a stock repurchase plan, in the CCYY-MM-DD format.

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The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

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The remaining number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

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Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Shareholders' Equity - Additional Information (Detail) - USD ($)				12 Months Ended
	Dec. 13, 2018	Jun. 05, 2018	Dec. 21, 2017	Jun. 30, 2019	Jun. 30, 2018	Nov. 29, 2018	Nov. 21, 2017	Jun. 30, 2017
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Options granted				0	0
Options outstanding				595,000	651,000			680,142
Share-based compensation, amount recognized				$ 1,000	$ 8,000
Unrecognized compensation cost				0
Aggregate intrinsic value of options exercisable				74,000	0
Aggregate intrinsic value of options outstanding				$ 74,000	0
Stock repurchased during period, shares	300,000			359,959
Stock repurchased during period, value				$ 383,000	$ 3,072,000
Additional shares authorized for purchase	450,000			390,041
Stock repurchased during period value excluding fees and expenses				$ 372,000
Common Stock [Member] \| Director [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock repurchased during period, shares		70,000
Stock repurchased during period, value		$ 98,000
Repurchase of common shares per share		$ 1.40
Common Share Purchase Tender Offer [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common share purchase price per share			$ 1.60				$ 1.60
Number of shares tendered			3,726,000
Stock repurchased during period, shares			1,746,000
Stock repurchased during period, value			$ 2,794,000
Share purchase program expiration date			Dec. 21, 2017
2005 Equity Incentive Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Plan, Description				The 2005 Equity Incentive Plan was approved by SunLink’s shareholders at the Annual Meeting of Shareholders on November 7, 2005. This plan permitted the grant of options to employees, non-employee directors and service providers of SunLink for the purchase of up to 800,000 common shares plus the number of unused shares under the 2001 Plans, which is 30,675, by November 2015.
Options granted				0	0
Options exercised				0
Options outstanding				345,000
Share options to be granted for each restricted share award				4
Terms of award				This Plan restricted the number of Incentive Stock Options to 700,000 shares and Restricted Stock Awards to 200,000 shares.
2005 Equity Incentive Plan [Member] \| Incentive Stock Options [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of Shares, Restricted				700,000
2005 Equity Incentive Plan [Member] \| Restricted Stock Awards [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of Shares, Restricted				200,000
Maximum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares authorized to be repurchased						300,000
Maximum [Member] \| 2005 Equity Incentive Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Purchase of common shares				800,000
2011 Director Stock Option Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Plan, Description				The 2011 Director Stock Option Plan was approved by SunLink’s shareholders at the Annual Meeting of Shareholders on November 7, 2011. This plan permits the grant of options to non-employee directors of SunLink for the purchase of up to 300,000 common shares through November 2021.
Options granted				0	0
Options exercised				0
Options outstanding				250,000
Shares available for grants				50,000
2011 Director Stock Option Plan [Member] \| Maximum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Purchase of common shares				300,000
2001 Plans [Member] \| 2005 Equity Incentive Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares restricted under share based plan				30,675