Represents additional shares to be issued to security holders contingent on stock price performance.

No definition available.

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- Definition

The conversion rate of stock conversion.

+ References

No definition available.

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- Definition

Represents the milestone period for stock price performance.

+ References

No definition available.

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- Definition

The threshold closing price, as adjusted for stock splits, stock dividends, reorganizations or recapitalizations, for any 20 trading days within any 30-trading day period.

+ References

No definition available.

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- Definition

Threshold period of specified consecutive trading days within which closing stock price must exceed a price per share amount for specified number of trading days, as adjusted for stock splits, stock dividends, reorganizations and recapitalizations.

+ References

No definition available.

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- Definition

Threshold number of specified trading days that the closing price of ordinary shares must meet or exceed a price per share, as adjusted for stock splits, stock dividends, reorganizations and recapitalizations.

+ References

No definition available.

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- Definition

Face amount or stated value per share of common stock.

+ References

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- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Note 4 - Business Combination (Details Textual) $ / shares in Units, $ in Thousands	Dec. 14, 2020 USD ($) $ / shares shares	Jun. 30, 2022 $ / shares	Dec. 31, 2021 $ / shares	Dec. 31, 2020 $ / shares
Common Stock, Par or Stated Value Per Share (in dollars per share)		$ 0.0001	$ 0.0001	$ 0.0001
Reviva Pharmaceuticals, Inc. [Member]
Common Stock, Par or Stated Value Per Share (in dollars per share)	$ 0.0001
Additional Shares to be Issued to Security Holders, Contingent on Stock Price Performance (in shares) \| shares	1,000,000
Stock Price Performance, Milestone Period (Year)	3 years
Threshold Closing Price for Specified Number of Trading Days (in dollars per share)	$ 15.00
Threshold Trading Days for Sale of Shares (Day)	20 days
Threshold Consecutive Trading Days for Sale of Shares (Day)	30 days
Goodwill, Ending Balance \| $	$ 0
Reviva Pharmaceuticals, Inc. [Member] \| Conversion of Reviva Common Stock into Company's Common Stock [Member]
Conversion of Stock, Conversion Rate	0.152268
Reviva Pharmaceuticals, Inc. [Member] \| Conversion of Reviva Preferred Stock into Company's Common Stock [Member]
Conversion of Stock, Conversion Rate	0.414647