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5 - SHARE BASED COMPENSATION (Details) - Schedule of Share-based Compensation, Stock Options, Activity - USD ($)	3 Months Ended	12 Months Ended
	Mar. 31, 2019	Dec. 31, 2018
Schedule of Share-based Compensation, Stock Options, Activity [Abstract]
Options Outstanding, Number of Shares		453,000
Options Outstanding, Weighted Average Exercise Price		$ 1.35
Options Outstanding, Weighted Average Years Remaining Contractual Term	5 years 6 months	5 years
Options Outstanding, Aggregate Intrinsic Value		$ 182,400
Options Exercisable, Number of Shares	168,000
Options Exercisable, Weighted Average Exercise Price	$ 1.02
Options Exercisable, Weighted Average Years Remaining Contractual Term	3 years 146 days
Options Exercisable, Aggregate Intrinsic Value	$ 257,000
Options Exercised, Number of Shares	(70,000)
Options Exercised, Weighted Average Exercise Price	$ 1.08
Options Outstanding, Number of Shares	383,000
Options Outstanding, Weighted Average Exercise Price	$ 1.40
Options Outstanding, Aggregate Intrinsic Value	$ 453,000

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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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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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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