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Revenue (Tables)
3 Months Ended
Mar. 31, 2022
Revenue from Contract with Customer [Abstract]  
Schedule of Changes in Contract Assets and Contract Liabilities
The following table reflects the changes in our contract assets and contract liabilities balances for the three months ended March 31, 2022 (in thousands):
March 31, 2022December 31, 2021Increase / (Decrease)
$%
Accrued revenue$1,240 $2,245 
Costs and estimated profits in excess of billings15,020 8,285 
Contract assets$16,260 $10,530 $5,730 54 %
Deferred revenue$7,904 $7,276 
Billings in excess of costs and profits recognized5,851 9,705 
Contract liabilities$13,755 $16,981 $(3,226)(19)%