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Equity Compensation Plan
 12 Months Ended
Dec. 31, 2022
Share-Based Payment Arrangement [Abstract]  
Equity Compensation Plan Equity compensation planOn June 10, 2019, at the Annual Shareholders’ Meeting, the Company’s shareholders approved the adoption of the Amended and Restated 2009 Equity Compensation Plan (the “Amended and Restated 2009 Plan”), which contains terms substantially similar to the terms of the “2009 Equity Compensation Plan” (the “2009 Plan”) that expired in 2019. As of December 31, 2022, there are 990,497 shares of common stock available for granting under the Amended and Restated 2009 Plan. Equity compensation awards granted under the Amended and Restated 2009 Plan are at the discretion of the Company’s board of directors and may be in the form of either incentive or nonqualified stock options. As of December 31, 2022, there were 7,085 shares of restricted stock outstanding under such plan.