v3.22.1

Stock-based Compensation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Sep. 30, 2020
Stockholders Equity [Line Items]
Stock-based compensation expense	$ 2,856	$ 1,328
Repurchase and retirement of common stock	$ 7,825
Weighted average remaining contractual term	8 years 8 months 15 days	9 years 6 months
Aggregate Intrinsic Value of Options Outstanding and Vested	$ 545	$ 0
Stock Compensation Plan
Stockholders Equity [Line Items]
Options, expiry period	10 years
Options, vesting period	1 year
Non-vested Stock Options
Stockholders Equity [Line Items]
Unrecognized stock-based payment cost	$ 2,088	902
Non-Vested RSUs
Stockholders Equity [Line Items]
Unrecognized stock-based payment cost	$ 978	$ 0
XpresTest 2020 Plan [Member] | RSUs
Stockholders Equity [Line Items]
Common stock repurchased	13
Maximum [Member] | 2020 Plan [Member]
Stockholders Equity [Line Items]
Number of shares authorized			5,000,000
Maximum [Member] | 2012 Plan [Member]
Stockholders Equity [Line Items]
Number of shares authorized	840,000
Directors, Employees And Consultants | XpresTest 2020 Plan [Member]
Stockholders Equity [Line Items]
Number of shares authorized	200
Percentage of shares authorized for issuance	20.00%

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

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