Annual report pursuant to Section 13 and 15(d)

Operating Leases (Details)

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Operating Leases (Details) - USD ($)
12 Months Ended
Mar. 30, 2022
Dec. 31, 2022
Dec. 31, 2021
Operating leases      
Amount of increase (decrease) in obligation and right-of-use asset for operating lease following lease modification $ 75,000    
Operating lease cost   $ 4,367,000 $ 4,259,000
Short-term lease cost   389,000 419,000
Total   4,756,000 4,678,000
Operating cash outflows from operating leases   $ 3,746,000 $ 4,101,000
Weighted-average remaining lease term - operating leases   6 years 10 months 24 days 7 years 9 months 18 days
Weighted-average discount rate - operating leases   6.80% 6.80%