This element represents that, the stock price per share of common stock repurchased.

No definition available.

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Number of Restricted Stock vested.

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Number of options exercised.

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No definition available.

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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Unrecognized cost of unvested options awarded to employees as compensation.

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The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

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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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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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No definition available.

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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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No definition available.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Number of options vested.

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No definition available.

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Number of shares issued during the period related to Restricted Stock Awards, net of any shares forfeited.

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Value of stock related to Restricted Stock Awards issued during the period, net of the stock value of such awards forfeited.

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Amount of stock repurchase plan authorized.

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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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STOCKHOLDERS' EQUITY (Details Textual) - USD ($)			1 Months Ended	3 Months Ended		6 Months Ended
STOCKHOLDERS' EQUITY (Details Textual) - USD ($)	Aug. 07, 2017	Oct. 26, 2015	Jun. 15, 2018	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	May 05, 2018	Dec. 31, 2009
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Repurchased During Period, Value						$ 4,568,000
Share-based Compensation, Total				$ 1,100,000	$ 158,000	$ 2,502,000	$ 291,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares				0	0	717,902	0
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Grants In Period, Gross						732,869
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition						8 months
Stock Repurchase Program, Authorized Amount								$ 5,000,000
Sharebased Compensation Arrangement by Sharebased Payment Award Options exercised Number of Shares				58,190		58,190
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Stock Options				$ 2,700,000		$ 2,700,000
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition						8 months
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures				93,024	93,024	1,758,428	93,024
Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Grants In Period, Gross				0		733,000	0
Chief Financial Officer [Member] \| Share-based Compensation Award, Tranche One [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights						The grants were effective August 7, 2017, and vested on January 5, 2018.
Chief Financial Officer [Member] \| Share-based Compensation Award, Tranche Two [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights						The grants were effective January 5, 2018, and vest on January 5, 2019.
Chairperson [Member] \| Share-based Compensation Award, Tranche One [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights						The grants were effective August 7, 2017, and vested on January 5, 2018.
Chairperson [Member] \| Share-based Compensation Award, Tranche Two [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights						The grants were effective January 5, 2018, and vest on January 5, 2019.
Employees [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Grants In Period, Gross	470,000
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights						. The grants were effective August 7, 2017. 470,000 shares of restricted stock and 470,000 stock options will vest in three installments, with the first installment of 33% vesting on January 5, 2018, and the second installment vesting on January 5, 2019, and the remaining installment vesting on January 5, 2020.
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Stock Options				$ 849,000		$ 849,000
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures	575,262
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value						$ 1.58
Share based Compensation Arrangement By Share based Payment Award Restricted Stock Vested Number Of Shares	105,262
Chief Executive Officer and President [Member] \| Share-based Compensation Award, Tranche One [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights						The grants were effective August 7, 2017, and vested on January 5, 2018.
Chief Executive Officer and President [Member] \| Share-based Compensation Award, Tranche Two [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights						The grants were effective January 5, 2018, and vest on January 5, 2019.
Common Class D [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Repurchased During Period, Shares				760,113	1,054,290	1,760,568	1,054,290
Stock Repurchased During Period, Value				$ 1,600,000		$ 3,500,000
Repurchase Of Common Stock Price Per Share				$ 2.13		$ 2.01
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant				8,250,000		8,250,000
Common Class D [Member] \| Stock Plan 2009 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized									8,250,000
Common Class D [Member] \| Amended and Restated 2009 Stock Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant				2,796,196		2,796,196
Common Class D [Member] \| Stock Vest Tax Repurchase [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Repurchased During Period, Shares				10,646	7,699	578,437	317,103
Stock Repurchased During Period, Value					$ 23,000	$ 1,000,000	$ 919,000
Repurchase Of Common Stock Price Per Share				$ 2.02	$ 3.00	$ 1.80	$ 2.90
Stock Repurchase Program, Authorized Amount				$ 22,000		$ 22,000
Common Class D [Member] \| Chief Financial Officer [Member] \| Restricted Stock [Member] \| Share-based Compensation Award, Tranche One [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures	256,579
Common Class D [Member] \| Chief Financial Officer [Member] \| Restricted Stock [Member] \| Share-based Compensation Award, Tranche Two [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures	270,833
Common Class D [Member] \| Chief Financial Officer [Member] \| Employee Stock Option [Member] \| Share-based Compensation Award, Tranche One [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Grants In Period, Gross	114,035
Common Class D [Member] \| Chief Financial Officer [Member] \| Employee Stock Option [Member] \| Share-based Compensation Award, Tranche Two [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Grants In Period, Gross	120,370
Common Class D [Member] \| Cathy Hughes [Member] \| Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Grants In Period, Gross		100,000
Common Class D [Member] \| Cathy Hughes [Member] \| Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Grants In Period, Gross		300,000
Common Class D [Member] \| Chairperson [Member] \| Restricted Stock [Member] \| Share-based Compensation Award, Tranche One [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures	449,630
Common Class D [Member] \| Chairperson [Member] \| Restricted Stock [Member] \| Share-based Compensation Award, Tranche Two [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures	474,609
Common Class D [Member] \| Chairperson [Member] \| Employee Stock Option [Member] \| Share-based Compensation Award, Tranche One [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Grants In Period, Gross	199,836
Common Class D [Member] \| Chairperson [Member] \| Employee Stock Option [Member] \| Share-based Compensation Award, Tranche Two [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Grants In Period, Gross	210,937
Common Class D [Member] \| Chief Executive Officer and President [Member] \| Restricted Stock [Member] \| Share-based Compensation Award, Tranche One [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures	749,383
Common Class D [Member] \| Chief Executive Officer and President [Member] \| Restricted Stock [Member] \| Share-based Compensation Award, Tranche Two [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures	791,015
Common Class D [Member] \| Chief Executive Officer and President [Member] \| Employee Stock Option [Member] \| Share-based Compensation Award, Tranche One [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Grants In Period, Gross	333,059
Common Class D [Member] \| Chief Executive Officer and President [Member] \| Employee Stock Option [Member] \| Share-based Compensation Award, Tranche Two [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Grants In Period, Gross	351,562
Common Class D [Member] \| Non Executive Directors [Member] \| Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures			23,256
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures			$ 50,000
Common Class A [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Repurchased During Period, Shares				232		232
Stock Repurchased During Period, Value					$ 2,100,000		$ 2,100,000
Repurchase Of Common Stock Price Per Share				$ 2.26	$ 1.99	$ 2.26	$ 1.99