Post-effective amendment to a registration statement that is not immediately effective upon filing

REVENUE RECOGNITION (Details 2)

v3.21.2
REVENUE RECOGNITION (Details 2) - USD ($)
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Dec. 31, 2019
Amounts included in the beginning of year contract liability balance         $ 3,576 $ 2,407
Airspan [Member]            
Amounts included in the beginning of year contract liability balance $ 877,000 $ 422,000 $ 4,427,000 $ 1,814,000