Shareholders' Equity - (Details Textual) - USD ($) $ / shares in Units, $ in Thousands	Sep. 12, 2021	Sep. 13, 2020	Sep. 30, 2021	Dec. 31, 2020
Common stock, par value (in dollars per share)			$ 0.001	$ 0.001
Common Stock
Number fo shares issued issued and sold in a registered direct offering	3,623,189	2,116,050
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Offering price (Per share)	$ 2.76	$ 2.4925
Proceeds from issuance of common stock, gross	$ 10,000	$ 5,275
Proceeds from issuance of common stock, net of issuance costs	$ 9,288	$ 4,764
Common stock shares issued for warrants exercisable	3,623,189	1,058,025
Exercise price of warrants	$ 2.76	$ 2.43
Expiry term of warrants		5 years

The cash inflow from the additional capital contribution to the entity before deduction of issuance costs.

No definition available.

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

+ References

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Face amount or stated value per share of common stock.

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The cash inflow from the additional capital contribution to the entity.

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Number of shares of stock issued as of the balance sheet date, including shares that had been issued and were previously outstanding but which are now held in the treasury.

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Per share or per unit amount of equity securities issued.

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No definition available.

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Number of shares issued during the period as a result of the conversion of convertible securities.

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Period between issuance and expiration of outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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