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Schedule of Deferred Commission Expense (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Schedule of Deferred Commission Expense [Roll Forward]        
Balance at beginning of period $ 3,792 $ 3,003 $ 3,621 $ 2,882
Costs capitalized 617 333 1,109 681
Amortization (349) (242) (670) (469)
Balance at end of period $ 4,060 $ 3,094 $ 4,060 $ 3,094