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Impact Of COVID-19 Pandemic And Liquidity (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2023
Jun. 30, 2022
Mar. 31, 2022
Jul. 03, 2023
Dec. 31, 2022
Impact Of Covid [Line Items]          
Revenue $ 45,807   $ 40,200    
Debt, Current 48,100        
Cash and cash equivalents 14,628   $ 67,263   $ 29,947
Working capital 94,200        
Impairment charges against sites   $ 1,500      
Scenario, Forecast [Member]          
Impact Of Covid [Line Items]          
Debt Current, Due At Date       $ 22,300  
Westpac Bank Corporate Credit Facility [Member]          
Impact Of Covid [Line Items]          
Debt, Current 8,700        
Santander Bank [Member]          
Impact Of Covid [Line Items]          
Debt, Current $ 8,000