Amount of noncash expense for award of restricted stock or unit per annum under share-based payment arrangement.

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Available for Grant.

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- Definition

Aggregate number of common shares reserved for future issuance.

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Amount of noncash expense for award of restricted stock or unit under share-based payment arrangement.

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- Definition

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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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.

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No definition available.

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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.

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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 outstanding, including both vested and non-vested options.

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Number of shares issued under share-based payment arrangement.

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STOCK-BASED COMPENSATION - Additional information (Details) - USD ($)		3 Months Ended	9 Months Ended
	Feb. 16, 2021	Sep. 30, 2021	Sep. 30, 2021	Apr. 22, 2021
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	5 years
Restricted stock-based compensation	$ 159,000
Restricted stock-based compensation per annual	$ 32,000
Incentive Stock Option Plan 2002 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Beginning Balance				450,000
Incentive Stock Option Plan 2021 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Available for Grant				175,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant				500,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Beginning Balance				300,000
Common Stock, Capital Shares Reserved for Future Issuance		203,037	203,037
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
Number of options issued		0
Chief Financial Officer [Member] \| Restricted Stock [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	25,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value	$ 6.36