Percentage of voting equity interests acquired at the acquisition date in the business combination.

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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The Company and Basis of Presentation (Details) - USD ($) $ in Thousands		1 Months Ended
	Apr. 30, 2020	Jan. 31, 2021	Mar. 31, 2021	Dec. 31, 2020
Sale of Stock
Cash			$ 13,035	$ 10,089
Accumulated deficit			$ (69,868)	$ (66,544)
Common stock, shares issued			22,171,182	19,671,182
Registered Offering
Sale of Stock
Gross proceeds	$ 7,500
Private placement
Sale of Stock
Gross proceeds		$ 10,000
ANA Merger
Sale of Stock
Ownership acquired				100.00%
Common stock, shares issued				3,243,875