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Equity (Details Textual) - USD ($)	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Equity (Textual)
Excercise price	$ 1,230,000
Non-vested options	26,200
Recognized compensation expense	$ 69,177	$ 166,210
Unrecognized share-based compensation expense	$ 16,577

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Exercise price per share or per unit of warrants or rights outstanding.

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-Topic 235
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The compensation expense recognized during the period pertaining to the deferred compensation arrangement.

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Number of non-vested options forfeited.

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