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Shareholders' Equity (Details Textual) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended	6 Months Ended
	Oct. 30, 2016	Jun. 30, 2019	Jun. 30, 2018
Shareholder's Equity (Textual)
Weighted average fair values		$ 7.70	$ 19.62
Compensation cost		$ 772	$ 827
Unrecognized costs related to non-vested share-based compensation		$ 2,749
Recognized over a weighted average period		1 year 1 month 16 days
Ordinary shares issued		712,225
Minimum [Member]
Shareholder's Equity (Textual)
Ordinary shares issued	1,250,000
Maximum [Member]
Shareholder's Equity (Textual)
Ordinary shares issued	2,450,000

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

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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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Amount of cost expensed and capitalized for award under share-based payment arrangement.

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