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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Share Based Compensation - Additional Information (Details)		12 Months Ended
	Jan. 01, 2019 $ / shares shares	Dec. 31, 2021 USD ($) Installment $ / shares shares	Dec. 31, 2020 USD ($) shares	Dec. 31, 2019 shares	Oct. 31, 2020 shares	Feb. 29, 2016 shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of performance-condition options granted		1,190
Exercise price \| $ / shares		$ 17.87
Stock compensation expense \| $		$ 4,944,000	$ 3,709,000
Dividends \| $		$ 0	0
Restricted Stock Units (RSUs)
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
RSUs outstanding		150,811
Weighted average grant date fair value \| $ / shares		$ 5.30
Bonus-To-Options Program
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of performance-condition options granted		266,000
Exercise price \| $ / shares		$ 20.67
Stock compensation expense \| $		$ 800,000	$ 3,400,000
Options and Restricted Stock Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized remaining stock based compensation balance \| $		$ 7,800,000
Amortization period		3 years 9 months 18 days
Service Condition R S Us
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of RSUs granted		71,707
Maximum \| Bonus-To-Options Program
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Option expiration period		10 years
2020 Equity Incentive Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares reserved for issuance		1,893,395
2020 Equity Incentive Plan \| Performance Condition Options
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Option expiration period	10 years
Vesting term		Performance-based options vest in three equal annual installments beginning one year after the grant date
Number of equal annual installments for award vesting \| Installment		3
Number of performance-condition options granted	168,466
Exercise price \| $ / shares	$ 0.77
Options vested		56,156	56,155
Options forfeited				56,155
2020 Equity Incentive Plan \| Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Option expiration period		10 years
2020 Equity Incentive Plan \| Common Stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Percentage of number of shares of common stock issued and outstanding		4.00%
2020 Equity Incentive Plan \| Common Stock \| Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of common stock may be issued under incentive plan		1,893,395
2006 Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Additional stock awards granted						0
2016 Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Additional stock awards granted						0
2006 Plan, 2016 Plan and 2020 Equity Incentive Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Additional stock awards granted		630,685
Employee Stock Purchase Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares reserved for issuance		295,251			338,106
Percentage of number of shares of common stock issued and outstanding		1.00%
Percentage of earnings used for purchase of common stock		15.00%
Percentage of fair market value of common stock for purchase under plan		85.00%
Description of voting power or value of stock for employee participation in offering period		No employee may participate in an offering period if the employee owns 5% or more of the total combined voting power or value of the Company’s stock.
Description of offering period under plan		The initial offering period was from January 1, 2021 through August 31, 2021. On a go-forward basis, the ESPP provides for successive six-month offering periods beginning on September 1st and March 1st of each year. As of December 31, 2021, 42,855 shares have been issued under the ESPP leaving 295,251 shares remaining for future issuance.
Number of common stock may be issued under incentive plan		42,855