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Stock-Based Compensation - Additional Information (Details) - USD ($)	3 Months Ended		12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021	Dec. 31, 2013	Dec. 31, 2010
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share based compensation expense	$ 215,000	$ 131,000
2005 Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based compensation shares authorized under stock option plans (in shares)	770,000
Percent of the fair value options granted	100.00%
Weighted average remaining contractual term stock options outstanding	1 year 6 months 3 days
Weighted average remaining contractual life for options exercisable	1 year 6 months 3 days
Number of options outstanding, Granted (in shares)	0
2005 Plan \| Employee Stock Option
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period	5 years
Stock options, when granted, expiration period	10 years
2010 Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based compensation shares authorized under stock option plans (in shares)				2,500,000	1,350,000
Percent of the fair value options granted	100.00%
Weighted average remaining contractual term stock options outstanding	2 years 3 days
Weighted average remaining contractual life for options exercisable	2 years 3 days
Number of options outstanding, Granted (in shares)	0
2010 Plan \| Employee Stock Option
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period	5 years
Stock options, when granted, expiration period	10 years
2010 Plan \| Restricted Stock Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized compensation costs related to unvested stock options	$ 56,000
Unrecognized compensation costs weighted average period	2 years 10 days
Tax (provision) benefit realized from awards	$ 0	0
2021 Plan \| Restricted Stock Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based compensation shares authorized under stock option plans (in shares)			1,500,000
Percent of the fair value options granted	100.00%
Number of options outstanding, Granted (in shares)			0
Unrecognized compensation costs weighted average period	3 years 21 days
Tax (provision) benefit realized from awards	$ 0	$ 0
Shares available for future grant (in shares)	1,143,566
Unrecognized compensation costs related to unvested restricted stock awards	$ 1,800,000