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

No definition available.

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- Definition

Number of Restricted Stock vested.

+ References

No definition available.

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- Definition

Number of options exercised.

+ References

No definition available.

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- Definition

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.

+ References

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- Definition

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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- Definition

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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- Definition

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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- 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

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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- Definition

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

+ References

No definition available.

+ Details

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- Definition

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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- Definition

Number of options vested.

+ References

No definition available.

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- Definition

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

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- Definition

Amount of stock repurchase plan authorized.

+ References

No definition available.

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- Definition

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

+ References

No definition available.

+ Details

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- Definition

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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- Definition

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 - Additional Information (Details) - USD ($)				1 Months Ended	3 Months Ended
	Dec. 20, 2018	May 05, 2018	Aug. 07, 2017	Oct. 30, 2017	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2009
STOCKHOLDERS' EQUITY
Stock Repurchased During Period, Value					$ 2,448,000	$ 2,951,000
Repurchase Of Common Stock Price Per Share					$ 2.24
Share-based Compensation, Total					$ 511,000	$ 1,376,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares					839,530	831,937
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Grants In Period, Gross						732,869
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
Stock Repurchase Program, Authorized Amount	$ 1,000,000	$ 5,000,000
Sharebased Compensation Arrangement by Sharebased Payment Award Options exercised Number of Shares					15,000
Stock Repurchase Program Expiration Date	Dec. 31, 2019	Dec. 31, 2018
Restricted Stock [Member]
STOCKHOLDERS' EQUITY
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Stock Options					$ 535,000
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures					780,239	1,665,404
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period					780,000
Repurchase Program 2015 [Member]
STOCKHOLDERS' EQUITY
Stock Repurchase Program, Authorized Amount					$ 54,000
Chief Financial Officer [Member]
STOCKHOLDERS' EQUITY
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights					The grants were effective January 5, 2018, and vested on January 5, 2019
Employee [Member]
STOCKHOLDERS' EQUITY
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Grants In Period, Gross			470,000
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Stock Options					$ 172,000
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition					10 months
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					$ 1.59
Share based Compensation Arrangement By Share based Payment Award Restricted Stock Vested Number Of Shares			105,262
Chief Executive Officer and President [Member]
STOCKHOLDERS' EQUITY
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights					The grants were effective January 5, 2018, and vested on January 5, 2019
Common Class D [Member]
STOCKHOLDERS' EQUITY
Stock Repurchased During Period, Shares					369,000	1,000,455
Stock Repurchased During Period, Value					$ 755,000	$ 1,900,000
Repurchase Of Common Stock Price Per Share					$ 2.05	$ 1.93
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant					8,250,000
Common Class D [Member] \| Stock Plan 2009 [Member]
STOCKHOLDERS' EQUITY
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]
STOCKHOLDERS' EQUITY
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant					2,085,957
Common Class D [Member] \| Stock Vest Tax Repurchase [Member]
STOCKHOLDERS' EQUITY
Stock Repurchased During Period, Shares					852,000	567,791
Stock Repurchased During Period, Value					$ 1,600,000	$ 1,000,000
Repurchase Of Common Stock Price Per Share					$ 1.94	$ 1.80
Common Class D [Member] \| Chief Administrative Officer [Member]
STOCKHOLDERS' EQUITY
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares				37,500
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period				37,500
Common Class D [Member] \| Chairperson [Member]
STOCKHOLDERS' EQUITY
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights					The grants were effective January 5, 2018, and vested on January 5, 2019
Common Class D [Member] \| Chairperson [Member] \| Restricted Stock [Member] \| Share-based Compensation Award, Tranche Two [Member]
STOCKHOLDERS' EQUITY
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures			474,609
Common Class D [Member] \| Chairperson [Member] \| Employees Stock Option [Member] \| Share-based Compensation Award, Tranche Two [Member]
STOCKHOLDERS' EQUITY
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]
STOCKHOLDERS' EQUITY
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures			791,015
Common Class D [Member] \| Chief Executive Officer and President [Member] \| Restricted Stock [Member] \| Share-based Compensation Award, Tranche Two [Member]
STOCKHOLDERS' EQUITY
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures			270,833
Common Class D [Member] \| Chief Executive Officer and President [Member] \| Employees Stock Option [Member] \| Share-based Compensation Award, Tranche One [Member]
STOCKHOLDERS' EQUITY
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Grants In Period, Gross			351,562
Common Class D [Member] \| Chief Executive Officer and President [Member] \| Employees Stock Option [Member] \| Share-based Compensation Award, Tranche Two [Member]
STOCKHOLDERS' EQUITY
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Grants In Period, Gross			120,370
Common Class A [Member]
STOCKHOLDERS' EQUITY
Stock Repurchased During Period, Shares					22,380
Stock Repurchased During Period, Value					$ 50,000